22200110111100 has 72 divisors (see below), whose sum is σ = 64233048262768. Its totient is φ = 5919962112000.

The previous prime is 22200110111093. The next prime is 22200110111117. The reversal of 22200110111100 is 111101100222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29599932 + ... + 30340668.

Almost surely, 2^{22200110111100} is an apocalyptic number.

22200110111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200110111100 is an abundant number, since it is smaller than the sum of its proper divisors (42032938151668).

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

22200110111100 is a wasteful number, since it uses less digits than its factorization.

22200110111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840655 (or 840648 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22200110111100 its reverse (111101100222), we get a palindrome (22311211211322).

The spelling of 22200110111100 in words is "twenty-two trillion, two hundred billion, one hundred ten million, one hundred eleven thousand, one hundred".