22100112012200 has 24 divisors (see below), whose sum is σ = 51382760428830. Its totient is φ = 8840044804800.

The previous prime is 22100112012149. The next prime is 22100112012227. The reversal of 22100112012200 is 221021100122.

It can be written as a sum of positive squares in 3 ways, for example, as 12610126553476 + 9489985458724 = 3551074^2 + 3080582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55250279831 + ... + 55250280230.

Almost surely, 2^{22100112012200} is an apocalyptic number.

22100112012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100112012200 is an abundant number, since it is smaller than the sum of its proper divisors (29282648416630).

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

22100112012200 is a wasteful number, since it uses less digits than its factorization.

22100112012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110500560077 (or 110500560068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100112012200 its reverse (221021100122), we get a palindrome (22321133112322).

The spelling of 22100112012200 in words is "twenty-two trillion, one hundred billion, one hundred twelve million, twelve thousand, two hundred".