113100321021000 has 256 divisors, whose sum is σ = 362450235064320. Its totient is φ = 29341699200000.

The previous prime is 113100321020941. The next prime is 113100321021001. The reversal of 113100321021000 is 120123001311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (113100321021001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1098959545 + ... + 1099062455.

It is an arithmetic number, because the mean of its divisors is an integer number (1415821230720).

Almost surely, 2^{113100321021000} is an apocalyptic number.

113100321021000 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 113100321021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181225117532160).

113100321021000 is an abundant number, since it is smaller than the sum of its proper divisors (249349914043320).

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

113100321021000 is a wasteful number, since it uses less digits than its factorization.

113100321021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112873 (or 112859 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113100321021000 its reverse (120123001311), we get a palindrome (113220444022311).

The spelling of 113100321021000 in words is "one hundred thirteen trillion, one hundred billion, three hundred twenty-one million, twenty-one thousand".