113200121321 has 8 divisors (see below), whose sum is σ = 129374129664. Its totient is φ = 97026753600.

The previous prime is 113200121303. The next prime is 113200121357. The reversal of 113200121321 is 123121002311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-113200121321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113200121321.

It is not an unprimeable number, because it can be changed into a prime (113200124321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310856 + ... + 568358.

It is an arithmetic number, because the mean of its divisors is an integer number (16171766208).

Almost surely, 2^113200121321 is an apocalyptic number.

It is an amenable number.

113200121321 is a deficient number, since it is larger than the sum of its proper divisors (16174008343).

113200121321 is an equidigital number, since it uses as much as digits as its factorization.

113200121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320311.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113200121321 its reverse (123121002311), we get a palindrome (236321123632).

The spelling of 113200121321 in words is "one hundred thirteen billion, two hundred million, one hundred twenty-one thousand, three hundred twenty-one".