22200021221010 has 32 divisors (see below), whose sum is σ = 53286572146752. Its totient is φ = 5919281079360.

The previous prime is 22200021221009. The next prime is 22200021221039. The reversal of 22200021221010 is 1012212000222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45037009 + ... + 45527268.

It is an arithmetic number, because the mean of its divisors is an integer number (1665205379586).

Almost surely, 2^{22200021221010} is an apocalyptic number.

22200021221010 is an abundant number, since it is smaller than the sum of its proper divisors (31086550925742).

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

22200021221010 is a wasteful number, since it uses less digits than its factorization.

22200021221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90572458.

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

Adding to 22200021221010 its reverse (1012212000222), we get a palindrome (23212233221232).

The spelling of 22200021221010 in words is "twenty-two trillion, two hundred billion, twenty-one million, two hundred twenty-one thousand, ten".