111213112232 has 16 divisors (see below), whose sum is σ = 209044602900. Its totient is φ = 55467884800.

The previous prime is 111213112229. The next prime is 111213112247. The reversal of 111213112232 is 232211312111.

It can be written as a sum of positive squares in 2 ways, for example, as 79787041156 + 31426071076 = 282466^2 + 177274^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17330507 + ... + 17336922.

Almost surely, 2^111213112232 is an apocalyptic number.

It is an amenable number.

111213112232 is a deficient number, since it is larger than the sum of its proper divisors (97831490668).

111213112232 is a wasteful number, since it uses less digits than its factorization.

111213112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34667836 (or 34667832 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 111213112232 its reverse (232211312111), we get a palindrome (343424424343).

The spelling of 111213112232 in words is "one hundred eleven billion, two hundred thirteen million, one hundred twelve thousand, two hundred thirty-two".