113120121303 has 24 divisors (see below), whose sum is σ = 187218064800. Its totient is φ = 64473885504.

The previous prime is 113120121299. The next prime is 113120121313. The reversal of 113120121303 is 303121021311.

It is not a de Polignac number, because 113120121303 - 2² = 113120121299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113120121313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2283408 + ... + 2332421.

It is an arithmetic number, because the mean of its divisors is an integer number (7800752700).

Almost surely, 2^113120121303 is an apocalyptic number.

113120121303 is a deficient number, since it is larger than the sum of its proper divisors (74097943497).

113120121303 is a wasteful number, since it uses less digits than its factorization.

113120121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616231 (or 4616228 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113120121303 its reverse (303121021311), we get a palindrome (416241142614).

The spelling of 113120121303 in words is "one hundred thirteen billion, one hundred twenty million, one hundred twenty-one thousand, three hundred three".