113330311021 has 16 divisors (see below), whose sum is σ = 119896680960. Its totient is φ = 106903779840.

The previous prime is 113330311001. The next prime is 113330311033. The reversal of 113330311021 is 120113033311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113330311021 is a prime.

It is a super-2 number, since 2×113330311021² (a number of 23 digits) contains 22 as substring.

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 113330311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113330311001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513341 + ... + 1586461.

It is an arithmetic number, because the mean of its divisors is an integer number (7493542560).

Almost surely, 2^113330311021 is an apocalyptic number.

It is an amenable number.

113330311021 is a deficient number, since it is larger than the sum of its proper divisors (6566369939).

113330311021 is an equidigital number, since it uses as much as digits as its factorization.

113330311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74076.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113330311021 its reverse (120113033311), we get a palindrome (233443344332).

The spelling of 113330311021 in words is "one hundred thirteen billion, three hundred thirty million, three hundred eleven thousand, twenty-one".