22200021102210 has 128 divisors (see below), whose sum is σ = 63181917872640. Its totient is φ = 4886248955904.

The previous prime is 22200021102197. The next prime is 22200021102229. The reversal of 22200021102210 is 1220112000222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22200021102210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13973865 + ... + 15481244.

It is an arithmetic number, because the mean of its divisors is an integer number (493608733380).

Almost surely, 2^{22200021102210} is an apocalyptic number.

22200021102210 is an abundant number, since it is smaller than the sum of its proper divisors (40981896770430).

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

22200021102210 is a wasteful number, since it uses less digits than its factorization.

22200021102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29455260.

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

Adding to 22200021102210 its reverse (1220112000222), we get a palindrome (23420133102432).

The spelling of 22200021102210 in words is "twenty-two trillion, two hundred billion, twenty-one million, one hundred two thousand, two hundred ten".