22112011112 has 16 divisors (see below), whose sum is σ = 43898845860. Its totient is φ = 10405652224.

The previous prime is 22112011099. The next prime is 22112011169. The reversal of 22112011112 is 21111021122.

It can be written as a sum of positive squares in 2 ways, for example, as 22092065956 + 19945156 = 148634^2 + 4466^2 .

It is a super-2 number, since 2×22112011112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81294023 + ... + 81294294.

Almost surely, 2^22112011112 is an apocalyptic number.

It is an amenable number.

22112011112 is a deficient number, since it is larger than the sum of its proper divisors (21786834748).

22112011112 is a wasteful number, since it uses less digits than its factorization.

22112011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162588340 (or 162588336 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22112011112 its reverse (21111021122), we get a palindrome (43223032234).

It can be divided in two parts, 221120 and 11112, that added together give a palindrome (232232).

The spelling of 22112011112 in words is "twenty-two billion, one hundred twelve million, eleven thousand, one hundred twelve".