22112212012112 has 20 divisors (see below), whose sum is σ = 42844337224416. Its totient is φ = 11055608857440.

The previous prime is 22112212012097. The next prime is 22112212012193. The reversal of 22112212012112 is 21121021221122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30704714 + ... + 31416617.

Almost surely, 2^{22112212012112} is an apocalyptic number.

It is an amenable number.

22112212012112 is a deficient number, since it is larger than the sum of its proper divisors (20732125212304).

22112212012112 is a wasteful number, since it uses less digits than its factorization.

22112212012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62143586 (or 62143580 counting only the distinct ones).

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

Adding to 22112212012112 its reverse (21121021221122), we get a palindrome (43233233233234).

The spelling of 22112212012112 in words is "twenty-two trillion, one hundred twelve billion, two hundred twelve million, twelve thousand, one hundred twelve".