100112121200104 has 32 divisors (see below), whose sum is σ = 202161041802720. Its totient is φ = 46202950673856.

The previous prime is 100112121200057. The next prime is 100112121200123. The reversal of 100112121200104 is 401002121211001.

It is a super-2 number, since 2×100112121200104² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25711842 + ... + 29348305.

It is an arithmetic number, because the mean of its divisors is an integer number (6317532556335).

Almost surely, 2^{100112121200104} is an apocalyptic number.

It is an amenable number.

100112121200104 is an abundant number, since it is smaller than the sum of its proper divisors (102048920602616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100112121200104 is a wasteful number, since it uses less digits than its factorization.

100112121200104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55077649 (or 55077645 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100112121200104 its reverse (401002121211001), we get a palindrome (501114242411105).

The spelling of 100112121200104 in words is "one hundred trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand, one hundred four".