113213203120 has 20 divisors (see below), whose sum is σ = 263220697440. Its totient is φ = 45285281216.

The previous prime is 113213203109. The next prime is 113213203121. The reversal of 113213203120 is 21302312311.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (113213203121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707582440 + ... + 707582599.

It is an arithmetic number, because the mean of its divisors is an integer number (13161034872).

Almost surely, 2^113213203120 is an apocalyptic number.

113213203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113213203120 is an abundant number, since it is smaller than the sum of its proper divisors (150007494320).

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

113213203120 is a wasteful number, since it uses less digits than its factorization.

113213203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415165052 (or 1415165046 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113213203120 its reverse (21302312311), we get a palindrome (134515515431).

The spelling of 113213203120 in words is "one hundred thirteen billion, two hundred thirteen million, two hundred three thousand, one hundred twenty".