100100111122122 has 32 divisors (see below), whose sum is σ = 205611680809152. Its totient is φ = 32464799576064.

The previous prime is 100100111122117. The next prime is 100100111122133. The reversal of 100100111122122 is 221221111001001.

It is a happy number.

It is a super-2 number, since 2×100100111122122² (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 15 ways as a sum of consecutive naturals, for example, 109058473 + ... + 109972499.

It is an arithmetic number, because the mean of its divisors is an integer number (6425365025286).

Almost surely, 2^{100100111122122} is an apocalyptic number.

100100111122122 is an abundant number, since it is smaller than the sum of its proper divisors (105511569687030).

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

100100111122122 is a wasteful number, since it uses less digits than its factorization.

100100111122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407382.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100100111122122 its reverse (221221111001001), we get a palindrome (321321222123123).

The spelling of 100100111122122 in words is "one hundred trillion, one hundred billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".