113211103200 has 144 divisors (see below), whose sum is σ = 396848568816. Its totient is φ = 27867340800.

The previous prime is 113211103193. The next prime is 113211103249. The reversal of 113211103200 is 2301112311.

It is a happy number.

It is a super-2 number, since 2×113211103200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 113211103200.

It is a congruent number.

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, 1783081 + ... + 1845480.

It is an arithmetic number, because the mean of its divisors is an integer number (2755892839).

Almost surely, 2^113211103200 is an apocalyptic number.

113211103200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113211103200 is an abundant number, since it is smaller than the sum of its proper divisors (283637465616).

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

113211103200 is a wasteful number, since it uses less digits than its factorization.

113211103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628597 (or 3628584 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113211103200 its reverse (2301112311), we get a palindrome (115512215511).

The spelling of 113211103200 in words is "one hundred thirteen billion, two hundred eleven million, one hundred three thousand, two hundred".