100363656121 has 4 divisors (see below), whose sum is σ = 100368178432. Its totient is φ = 100359133812.

The previous prime is 100363656119. The next prime is 100363656149. The reversal of 100363656121 is 121656363001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100363656121 - 2¹ = 100363656119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100363756121) 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 3 ways as a sum of consecutive naturals, for example, 2227701 + ... + 2272306.

It is an arithmetic number, because the mean of its divisors is an integer number (25092044608).

Almost surely, 2^100363656121 is an apocalyptic number.

It is an amenable number.

100363656121 is a deficient number, since it is larger than the sum of its proper divisors (4522311).

100363656121 is an equidigital number, since it uses as much as digits as its factorization.

100363656121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522310.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 100363656121 in words is "one hundred billion, three hundred sixty-three million, six hundred fifty-six thousand, one hundred twenty-one".