113321012200 has 384 divisors, whose sum is σ = 310480128000. Its totient is φ = 38031206400.

The previous prime is 113321012177. The next prime is 113321012221. The reversal of 113321012200 is 2210123311.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 308776417 + ... + 308776783.

It is an arithmetic number, because the mean of its divisors is an integer number (808542000).

Almost surely, 2^113321012200 is an apocalyptic number.

113321012200 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 113321012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155240064000).

113321012200 is an abundant number, since it is smaller than the sum of its proper divisors (197159115800).

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

113321012200 is a wasteful number, since it uses less digits than its factorization.

113321012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 113321012200 its reverse (2210123311), we get a palindrome (115531135511).

Subtracting from 113321012200 its reverse (2210123311), we obtain a square (111110888889 = 333333²).

The spelling of 113321012200 in words is "one hundred thirteen billion, three hundred twenty-one million, twelve thousand, two hundred".