22111220222202 has 32 divisors (see below), whose sum is σ = 45424558468800. Its totient is φ = 7170114411648.

The previous prime is 22111220222171. The next prime is 22111220222213. The reversal of 22111220222202 is 20222202211122.

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, 6122752 + ... + 9039387.

It is an arithmetic number, because the mean of its divisors is an integer number (1419517452150).

Almost surely, 2^{22111220222202} is an apocalyptic number.

22111220222202 is an abundant number, since it is smaller than the sum of its proper divisors (23313338246598).

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

22111220222202 is a wasteful number, since it uses less digits than its factorization.

22111220222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168750.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22111220222202 its reverse (20222202211122), we get a palindrome (42333422433324).

The spelling of 22111220222202 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, two hundred two".