Base | Representation |
---|---|

bin | 10110110000111100000111… |

… | …101010000011000100111101 |

3 | 111010111101111200112121122011 |

4 | 112300330013222003010331 |

5 | 101110331441420201341 |

6 | 552534313304251221 |

7 | 30042303454511062 |

oct | 2660740752030475 |

9 | 433441450477564 |

10 | 100120111100221 |

11 | 299a0778654563 |

12 | b28bb46770b11 |

13 | 43b339435c394 |

14 | 1aa1ba6bd8c69 |

15 | b895493bdb81 |

hex | 5b0f07a8313d |

100120111100221 has 6 divisors (see below), whose sum is σ = 106355965771130. Its totient is φ = 94230692799936.

The previous prime is 100120111100203. The next prime is 100120111100237. The reversal of 100120111100221 is 122001111021001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14550303444196 + 85569807656025 = 3814486^2 + 9250395^2 .

It is not a de Polignac number, because 100120111100221 - 2^{33} = 100111521165629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120111100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173218185006 + ... + 173218185583.

Almost surely, 2^{100120111100221} is an apocalyptic number.

It is an amenable number.

100120111100221 is a deficient number, since it is larger than the sum of its proper divisors (6235854670909).

100120111100221 is an equidigital number, since it uses as much as digits as its factorization.

100120111100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346436370623 (or 346436370606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100120111100221 its reverse (122001111021001), we get a palindrome (222121222121222).

The spelling of 100120111100221 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, one hundred thousand, two hundred twenty-one".

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