113121023130 has 48 divisors (see below), whose sum is σ = 297026710344. Its totient is φ = 29866934400.

The previous prime is 113121023089. The next prime is 113121023179. The reversal of 113121023130 is 31320121311.

It can be written as a sum of positive squares in 4 ways, for example, as 109036662849 + 4084360281 = 330207^2 + 63909^2 .

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, 6213189 + ... + 6231368.

Almost surely, 2^113121023130 is an apocalyptic number.

113121023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113121023130 is an abundant number, since it is smaller than the sum of its proper divisors (183905687214).

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

113121023130 is a wasteful number, since it uses less digits than its factorization.

113121023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12444671 (or 12444668 counting only the distinct ones).

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

Adding to 113121023130 its reverse (31320121311), we get a palindrome (144441144441).

The spelling of 113121023130 in words is "one hundred thirteen billion, one hundred twenty-one million, twenty-three thousand, one hundred thirty".