113121303200 has 144 divisors (see below), whose sum is σ = 290941691040. Its totient is φ = 42830208000.

The previous prime is 113121303199. The next prime is 113121303263. The reversal of 113121303200 is 2303121311.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23268770 + ... + 23273630.

It is an arithmetic number, because the mean of its divisors is an integer number (2020428410).

Almost surely, 2^113121303200 is an apocalyptic number.

113121303200 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 113121303200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145470845520).

113121303200 is an abundant number, since it is smaller than the sum of its proper divisors (177820387840).

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

113121303200 is a wasteful number, since it uses less digits than its factorization.

113121303200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113121303200 its reverse (2303121311), we get a palindrome (115424424511).

The spelling of 113121303200 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred three thousand, two hundred".