22112122202100 has 108 divisors (see below), whose sum is σ = 79210535555424. Its totient is φ = 5054199359040.

The previous prime is 22112122202099. The next prime is 22112122202161. The reversal of 22112122202100 is 120222121122.

It is a happy number.

22112122202100 is a `hidden beast` number, since 2 + 21 + 1 + 212 + 220 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1754924034 + ... + 1754936633.

Almost surely, 2^{22112122202100} is an apocalyptic number.

22112122202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112122202100 is an abundant number, since it is smaller than the sum of its proper divisors (57098413353324).

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

22112122202100 is a wasteful number, since it uses less digits than its factorization.

22112122202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509860694 (or 3509860684 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22112122202100 its reverse (120222121122), we get a palindrome (22232344323222).

The spelling of 22112122202100 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred two thousand, one hundred".