22122012102210 has 48 divisors (see below), whose sum is σ = 57517630687296. Its totient is φ = 5899162281504.

The previous prime is 22122012102187. The next prime is 22122012102263. The reversal of 22122012102210 is 1220121022122.

It is a happy number.

22122012102210 is a `hidden beast` number, since 2 + 21 + 220 + 1 + 210 + 2 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13524427 + ... + 15071633.

It is an arithmetic number, because the mean of its divisors is an integer number (1198283972652).

Almost surely, 2^{22122012102210} is an apocalyptic number.

22122012102210 is an abundant number, since it is smaller than the sum of its proper divisors (35395618585086).

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

22122012102210 is a wasteful number, since it uses less digits than its factorization.

22122012102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706087 (or 1706084 counting only the distinct ones).

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

Adding to 22122012102210 its reverse (1220121022122), we get a palindrome (23342133124332).

It can be divided in two parts, 2 and 2122012102210, that added together give a palindrome (2122012102212).

The spelling of 22122012102210 in words is "twenty-two trillion, one hundred twenty-two billion, twelve million, one hundred two thousand, two hundred ten".