22112012210202 has 48 divisors (see below), whose sum is σ = 48093581435328. Its totient is φ = 7342331345280.

The previous prime is 22112012210173. The next prime is 22112012210207. The reversal of 22112012210202 is 20201221021122.

It is a happy number.

22112012210202 is a `hidden beast` number, since 221 + 1 + 20 + 1 + 221 + 0 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22112012210207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127935202 + ... + 128107922.

It is an arithmetic number, because the mean of its divisors is an integer number (1001949613236).

Almost surely, 2^{22112012210202} is an apocalyptic number.

22112012210202 is an abundant number, since it is smaller than the sum of its proper divisors (25981569225126).

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

22112012210202 is a wasteful number, since it uses less digits than its factorization.

22112012210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200035 (or 200032 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22112012210202 its reverse (20201221021122), we get a palindrome (42313233231324).

The spelling of 22112012210202 in words is "twenty-two trillion, one hundred twelve billion, twelve million, two hundred ten thousand, two hundred two".