22112100200220 has 96 divisors (see below), whose sum is σ = 66402175956480. Its totient is φ = 5480814493440.

The previous prime is 22112100200191. The next prime is 22112100200237. The reversal of 22112100200220 is 2200200121122.

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 22112100200220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182926176 + ... + 183047015.

It is an arithmetic number, because the mean of its divisors is an integer number (691689332880).

Almost surely, 2^{22112100200220} is an apocalyptic number.

22112100200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112100200220 is an abundant number, since it is smaller than the sum of its proper divisors (44290075756260).

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

22112100200220 is a wasteful number, since it uses less digits than its factorization.

22112100200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365973275 (or 365973273 counting only the distinct ones).

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

Adding to 22112100200220 its reverse (2200200121122), we get a palindrome (24312300321342).

The spelling of 22112100200220 in words is "twenty-two trillion, one hundred twelve billion, one hundred million, two hundred thousand, two hundred twenty".