113201120220 has 48 divisors (see below), whose sum is σ = 317045836800. Its totient is φ = 30179089216.

The previous prime is 113201120203. The next prime is 113201120239. The reversal of 113201120220 is 22021102311.

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 113201120220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12420 + ... + 475979.

It is an arithmetic number, because the mean of its divisors is an integer number (6605121600).

Almost surely, 2^113201120220 is an apocalyptic number.

113201120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113201120220 is an abundant number, since it is smaller than the sum of its proper divisors (203844716580).

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

113201120220 is a wasteful number, since it uses less digits than its factorization.

113201120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492274 (or 492272 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 113201120220 its reverse (22021102311), we get a palindrome (135222222531).

The spelling of 113201120220 in words is "one hundred thirteen billion, two hundred one million, one hundred twenty thousand, two hundred twenty".