113202121321 has 8 divisors (see below), whose sum is σ = 120032068104. Its totient is φ = 106391174400.

The previous prime is 113202121297. The next prime is 113202121337. The reversal of 113202121321 is 123121202311.

It can be written as a sum of positive squares in 4 ways, for example, as 31755240000 + 81446881321 = 178200^2 + 285389^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 113202121321 - 2⁵ = 113202121289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113202121381) 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, 4737690 + ... + 4761523.

It is an arithmetic number, because the mean of its divisors is an integer number (15004008513).

Almost surely, 2^113202121321 is an apocalyptic number.

It is an amenable number.

113202121321 is a deficient number, since it is larger than the sum of its proper divisors (6829946783).

113202121321 is an equidigital number, since it uses as much as digits as its factorization.

113202121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499931.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113202121321 its reverse (123121202311), we get a palindrome (236323323632).

The spelling of 113202121321 in words is "one hundred thirteen billion, two hundred two million, one hundred twenty-one thousand, three hundred twenty-one".