113211112 has 16 divisors (see below), whose sum is σ = 242595360. Its totient is φ = 48519024.

The previous prime is 113211097. The next prime is 113211113. The reversal of 113211112 is 211112311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113211092 and 113211101.

It is not an unprimeable number, because it can be changed into a prime (113211113) 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, 1010758 + ... + 1010869.

It is an arithmetic number, because the mean of its divisors is an integer number (15162210).

Almost surely, 2^113211112 is an apocalyptic number.

It is an amenable number.

113211112 is an abundant number, since it is smaller than the sum of its proper divisors (129384248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113211112 is a wasteful number, since it uses less digits than its factorization.

113211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021640 (or 2021636 counting only the distinct ones).

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

The square root of 113211112 is about 10640.0710523943. The cubic root of 113211112 is about 483.7596990312.

Adding to 113211112 its reverse (211112311), we get a palindrome (324323423).

It can be divided in two parts, 11 and 3211112, that added together give a palindrome (3211123).

The spelling of 113211112 in words is "one hundred thirteen million, two hundred eleven thousand, one hundred twelve".