22200112022100 has 72 divisors (see below), whose sum is σ = 64701173318208. Its totient is φ = 5876817964800.

The previous prime is 22200112022059. The next prime is 22200112022129. The reversal of 22200112022100 is 122021100222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22200112022100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270033256 + ... + 270115455.

Almost surely, 2^{22200112022100} is an apocalyptic number.

22200112022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200112022100 is an abundant number, since it is smaller than the sum of its proper divisors (42501061296108).

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

22200112022100 is a wasteful number, since it uses less digits than its factorization.

22200112022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540148865 (or 540148858 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22200112022100 its reverse (122021100222), we get a palindrome (22322133122322).

The spelling of 22200112022100 in words is "twenty-two trillion, two hundred billion, one hundred twelve million, twenty-two thousand, one hundred".