22120102222200 has 144 divisors (see below), whose sum is σ = 76294424876280. Its totient is φ = 5739269748480.

The previous prime is 22120102222159. The next prime is 22120102222297. The reversal of 22120102222200 is 222220102122.

22120102222200 is a `hidden beast` number, since 2 + 21 + 201 + 0 + 222 + 220 + 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, 166000234 + ... + 166133433.

Almost surely, 2^{22120102222200} is an apocalyptic number.

22120102222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120102222200 is an abundant number, since it is smaller than the sum of its proper divisors (54174322654080).

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

22120102222200 is a wasteful number, since it uses less digits than its factorization.

22120102222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332133726 (or 332133714 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22120102222200 its reverse (222220102122), we get a palindrome (22342322324322).

The spelling of 22120102222200 in words is "twenty-two trillion, one hundred twenty billion, one hundred two million, two hundred twenty-two thousand, two hundred".