22112120011012 has 12 divisors (see below), whose sum is σ = 38703825919836. Its totient is φ = 11053884033920.

The previous prime is 22112120010907. The next prime is 22112120011073. The reversal of 22112120011012 is 21011002121122.

It can be written as a sum of positive squares in 2 ways, for example, as 6155083131136 + 15957036879876 = 2480944^2 + 3994626^2 .

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, 543970033 + ... + 544010680.

It is an arithmetic number, because the mean of its divisors is an integer number (3225318826653).

Almost surely, 2^{22112120011012} is an apocalyptic number.

It is an amenable number.

22112120011012 is a deficient number, since it is larger than the sum of its proper divisors (16591705908824).

22112120011012 is a wasteful number, since it uses less digits than its factorization.

22112120011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087985798 (or 1087985796 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22112120011012 its reverse (21011002121122), we get a palindrome (43123122132134).

The spelling of 22112120011012 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, twelve".