22112110102100 has 36 divisors (see below), whose sum is σ = 47995656156924. Its totient is φ = 8842562522880.

The previous prime is 22112110102063. The next prime is 22112110102111. The reversal of 22112110102100 is 120101121122.

It can be written as a sum of positive squares in 6 ways, for example, as 303695779396 + 21808414322704 = 551086^2 + 4669948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28129337 + ... + 28904736.

Almost surely, 2^{22112110102100} is an apocalyptic number.

22112110102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112110102100 is an abundant number, since it is smaller than the sum of its proper divisors (25883546054824).

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

22112110102100 is a wasteful number, since it uses less digits than its factorization.

22112110102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57037964 (or 57037957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22112110102100 its reverse (120101121122), we get a palindrome (22232211223222).

The spelling of 22112110102100 in words is "twenty-two trillion, one hundred twelve billion, one hundred ten million, one hundred two thousand, one hundred".