112131112 has 16 divisors (see below), whose sum is σ = 210595860. Its totient is φ = 55972224.

The previous prime is 112131077. The next prime is 112131119. The reversal of 112131112 is 211131211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95922436 + 16208676 = 9794^2 + 4026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112131092 and 112131101.

It is not an unprimeable number, because it can be changed into a prime (112131119) 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, 6423 + ... + 16294.

Almost surely, 2^112131112 is an apocalyptic number.

It is an amenable number.

112131112 is a deficient number, since it is larger than the sum of its proper divisors (98464748).

112131112 is a wasteful number, since it uses less digits than its factorization.

112131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23340 (or 23336 counting only the distinct ones).

The product of its digits is 12, while the sum is 13.

The square root of 112131112 is about 10589.1978921918. The cubic root of 112131112 is about 482.2164738740.

Adding to 112131112 its reverse (211131211), we get a palindrome (323262323).

Subtracting 112131112 from its reverse (211131211), we obtain a palindrome (99000099).

The spelling of 112131112 in words is "one hundred twelve million, one hundred thirty-one thousand, one hundred twelve".