113420322120 has 256 divisors, whose sum is σ = 403406438400. Its totient is φ = 24971581440.

The previous prime is 113420322097. The next prime is 113420322133. The reversal of 113420322120 is 21223024311.

It is a super-2 number, since 2×113420322120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2699917 + ... + 2741603.

It is an arithmetic number, because the mean of its divisors is an integer number (1575806400).

Almost surely, 2^113420322120 is an apocalyptic number.

113420322120 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 113420322120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201703219200).

113420322120 is an abundant number, since it is smaller than the sum of its proper divisors (289986116280).

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

113420322120 is a wasteful number, since it uses less digits than its factorization.

113420322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41828 (or 41824 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 113420322120 its reverse (21223024311), we get a palindrome (134643346431).

The spelling of 113420322120 in words is "one hundred thirteen billion, four hundred twenty million, three hundred twenty-two thousand, one hundred twenty".