22112210212112 has 20 divisors (see below), whose sum is σ = 43150626047760. Its totient is φ = 10976564780448.

The previous prime is 22112210212109. The next prime is 22112210212117. The reversal of 22112210212112 is 21121201221122.

It is not an unprimeable number, because it can be changed into a prime (22112210212117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4971268058 + ... + 4971272505.

It is an arithmetic number, because the mean of its divisors is an integer number (2157531302388).

Almost surely, 2^{22112210212112} is an apocalyptic number.

It is an amenable number.

22112210212112 is a deficient number, since it is larger than the sum of its proper divisors (21038415835648).

22112210212112 is a wasteful number, since it uses less digits than its factorization.

22112210212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942540710 (or 9942540704 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22112210212112 its reverse (21121201221122), we get a palindrome (43233411433234).

The spelling of 22112210212112 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, one hundred twelve".