113112112000 has 128 divisors (see below), whose sum is σ = 288085805280. Its totient is φ = 44141056000.

The previous prime is 113112111997. The next prime is 113112112013. The reversal of 113112112000 is 211211311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×113112112000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569787 + ... + 742213.

Almost surely, 2^113112112000 is an apocalyptic number.

113112112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113112112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144042902640).

113112112000 is an abundant number, since it is smaller than the sum of its proper divisors (174973693280).

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

113112112000 is an equidigital number, since it uses as much as digits as its factorization.

113112112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172497 (or 172475 counting only the distinct ones).

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

Adding to 113112112000 its reverse (211211311), we get a palindrome (113323323311).

The spelling of 113112112000 in words is "one hundred thirteen billion, one hundred twelve million, one hundred twelve thousand".