22210021012202 has 4 divisors (see below), whose sum is σ = 33315031518306. Its totient is φ = 11105010506100.

The previous prime is 22210021012187. The next prime is 22210021012229. The reversal of 22210021012202 is 20221012001222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17516727719401 + 4693293292801 = 4185299^2 + 2166401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552505253049 + ... + 5552505253052.

Almost surely, 2^{22210021012202} is an apocalyptic number.

22210021012202 is a deficient number, since it is larger than the sum of its proper divisors (11105010506104).

22210021012202 is a wasteful number, since it uses less digits than its factorization.

22210021012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105010506103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22210021012202 its reverse (20221012001222), we get a palindrome (42431033013424).

The spelling of 22210021012202 in words is "twenty-two trillion, two hundred ten billion, twenty-one million, twelve thousand, two hundred two".