113101320112 has 20 divisors (see below), whose sum is σ = 239055063336. Its totient is φ = 51409690880.

The previous prime is 113101320089. The next prime is 113101320139. The reversal of 113101320112 is 211023101311.

It is a happy number.

It is a super-2 number, since 2×113101320112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321310393 + ... + 321310744.

Almost surely, 2^113101320112 is an apocalyptic number.

It is an amenable number.

113101320112 is an abundant number, since it is smaller than the sum of its proper divisors (125953743224).

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

113101320112 is a wasteful number, since it uses less digits than its factorization.

113101320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642621156 (or 642621150 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113101320112 its reverse (211023101311), we get a palindrome (324124421423).

The spelling of 113101320112 in words is "one hundred thirteen billion, one hundred one million, three hundred twenty thousand, one hundred twelve".