22120122100200 has 48 divisors (see below), whose sum is σ = 68572378512480. Its totient is φ = 5898699226560.

The previous prime is 22120122100187. The next prime is 22120122100229. The reversal of 22120122100200 is 200122102122.

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 22120122100200.

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, 18433434484 + ... + 18433435683.

It is an arithmetic number, because the mean of its divisors is an integer number (1428591219010).

Almost surely, 2^{22120122100200} is an apocalyptic number.

22120122100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120122100200 is an abundant number, since it is smaller than the sum of its proper divisors (46452256412280).

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

22120122100200 is a wasteful number, since it uses less digits than its factorization.

22120122100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36866870186 (or 36866870177 counting only the distinct ones).

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

Adding to 22120122100200 its reverse (200122102122), we get a palindrome (22320244202322).

The spelling of 22120122100200 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred thousand, two hundred".