100113221029 has 2 divisors, whose sum is σ = 100113221030. Its totient is φ = 100113221028.

The previous prime is 100113221027. The next prime is 100113221063. The reversal of 100113221029 is 920122311001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97983398529 + 2129822500 = 313023^2 + 46150^2 .

It is a cyclic number.

It is not a de Polignac number, because 100113221029 - 2¹ = 100113221027 is a prime.

Together with 100113221027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100113221023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50056610514 + 50056610515.

It is an arithmetic number, because the mean of its divisors is an integer number (50056610515).

Almost surely, 2^100113221029 is an apocalyptic number.

It is an amenable number.

100113221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

100113221029 is an equidigital number, since it uses as much as digits as its factorization.

100113221029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 100113221029 in words is "one hundred billion, one hundred thirteen million, two hundred twenty-one thousand, twenty-nine".