113121303210 has 48 divisors (see below), whose sum is σ = 295399788840. Its totient is φ = 30033947520.

The previous prime is 113121303199. The next prime is 113121303263. The reversal of 113121303210 is 12303121311.

113121303210 is a `hidden beast` number, since 1 + 1 + 312 + 1 + 30 + 321 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 95794583049 + 17326720161 = 309507^2 + 131631^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2723721 + ... + 2764940.

Almost surely, 2^113121303210 is an apocalyptic number.

113121303210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113121303210 is an abundant number, since it is smaller than the sum of its proper divisors (182278485630).

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

113121303210 is a wasteful number, since it uses less digits than its factorization.

113121303210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488903 (or 5488900 counting only the distinct ones).

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

Adding to 113121303210 its reverse (12303121311), we get a palindrome (125424424521).

The spelling of 113121303210 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred three thousand, two hundred ten".