113012002100 has 72 divisors (see below), whose sum is σ = 249156948768. Its totient is φ = 44483472000.

The previous prime is 113012002099. The next prime is 113012002141. The reversal of 113012002100 is 1200210311.

It is a congruent number.

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, 6778775 + ... + 6795425.

Almost surely, 2^113012002100 is an apocalyptic number.

113012002100 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 113012002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124578474384).

113012002100 is an abundant number, since it is smaller than the sum of its proper divisors (136144946668).

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

113012002100 is a wasteful number, since it uses less digits than its factorization.

113012002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17745 (or 17738 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 113012002100 its reverse (1200210311), we get a palindrome (114212212411).

The spelling of 113012002100 in words is "one hundred thirteen billion, twelve million, two thousand, one hundred".