113303002121 has 4 divisors (see below), whose sum is σ = 114195151872. Its totient is φ = 112410852372.

The previous prime is 113303002073. The next prime is 113303002123. The reversal of 113303002121 is 121200303311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113303002121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113303002121.

It is not an unprimeable number, because it can be changed into a prime (113303002123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446074685 + ... + 446074938.

It is an arithmetic number, because the mean of its divisors is an integer number (28548787968).

Almost surely, 2^113303002121 is an apocalyptic number.

It is an amenable number.

113303002121 is a deficient number, since it is larger than the sum of its proper divisors (892149751).

113303002121 is an equidigital number, since it uses as much as digits as its factorization.

113303002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892149750.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113303002121 its reverse (121200303311), we get a palindrome (234503305432).

The spelling of 113303002121 in words is "one hundred thirteen billion, three hundred three million, two thousand, one hundred twenty-one".