22112211212192 has 24 divisors (see below), whose sum is σ = 43534740418596. Its totient is φ = 11055769201152.

The previous prime is 22112211212191. The next prime is 22112211212207. The reversal of 22112211212192 is 29121211221122.

It can be written as a sum of positive squares in 2 ways, for example, as 21676510886416 + 435700325776 = 4655804^2 + 660076^2 .

It is not an unprimeable number, because it can be changed into a prime (22112211212191) 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, 9442853 + ... + 11549540.

Almost surely, 2^{22112211212192} is an apocalyptic number.

It is an amenable number.

22112211212192 is a deficient number, since it is larger than the sum of its proper divisors (21422529206404).

22112211212192 is a wasteful number, since it uses less digits than its factorization.

22112211212192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21025320 (or 21025312 counting only the distinct ones).

The product of its digits is 1152, while the sum is 29.

The spelling of 22112211212192 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred ninety-two".