22312111112 has 16 divisors (see below), whose sum is σ = 42855579900. Its totient is φ = 10883956480.

The previous prime is 22312111111. The next prime is 22312111163. The reversal of 22312111112 is 21111121322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14540983396 + 7771127716 = 120586^2 + 88154^2 .

It is a super-3 number, since 3×22312111112³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312111111) 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, 34012037 + ... + 34012692.

Almost surely, 2^22312111112 is an apocalyptic number.

It is an amenable number.

22312111112 is a deficient number, since it is larger than the sum of its proper divisors (20543468788).

22312111112 is a wasteful number, since it uses less digits than its factorization.

22312111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68024776 (or 68024772 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

Adding to 22312111112 its reverse (21111121322), we get a palindrome (43423232434).

The spelling of 22312111112 in words is "twenty-two billion, three hundred twelve million, one hundred eleven thousand, one hundred twelve".