22200111100 has 36 divisors (see below), whose sum is σ = 50709731800. Its totient is φ = 8412672960.

The previous prime is 22200111061. The next prime is 22200111121. The reversal of 22200111100 is 111100222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a zygodrome in base 10.

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, 5840235 + ... + 5844034.

Almost surely, 2^22200111100 is an apocalyptic number.

22200111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200111100 is an abundant number, since it is smaller than the sum of its proper divisors (28509620700).

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

22200111100 is a wasteful number, since it uses less digits than its factorization.

22200111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684302 (or 11684295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22200111100 its reverse (111100222), we get a palindrome (22311211322).

The spelling of 22200111100 in words is "twenty-two billion, two hundred million, one hundred eleven thousand, one hundred".