113121013110320 has 40 divisors (see below), whose sum is σ = 274441414419936. Its totient is φ = 43281083276288.

The previous prime is 113121013110307. The next prime is 113121013110323. The reversal of 113121013110320 is 23011310121311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113121013110292 and 113121013110301.

It is not an unprimeable number, because it can be changed into a prime (113121013110323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30739403897 + ... + 30739407576.

Almost surely, 2^{113121013110320} is an apocalyptic number.

113121013110320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113121013110320 is an abundant number, since it is smaller than the sum of its proper divisors (161320401309616).

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

113121013110320 is a wasteful number, since it uses less digits than its factorization.

113121013110320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61478811509 (or 61478811503 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 113121013110320 its reverse (23011310121311), we get a palindrome (136132323231631).

The spelling of 113121013110320 in words is "one hundred thirteen trillion, one hundred twenty-one billion, thirteen million, one hundred ten thousand, three hundred twenty".