113002130021 has 6 divisors (see below), whose sum is σ = 124208952966. Its totient is φ = 102729209000.

The previous prime is 113002129997. The next prime is 113002130039. The reversal of 113002130021 is 120031200311.

It can be written as a sum of positive squares in only one way, i.e., 76389220996 + 36612909025 = 276386^2 + 191345^2 .

It is not a de Polignac number, because 113002130021 - 2¹⁸ = 113001867877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113002129978 and 113002130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113002130081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466950830 + ... + 466951071.

It is an arithmetic number, because the mean of its divisors is an integer number (20701492161).

Almost surely, 2^113002130021 is an apocalyptic number.

113002130021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113002130021 is a deficient number, since it is larger than the sum of its proper divisors (11206822945).

113002130021 is an equidigital number, since it uses as much as digits as its factorization.

113002130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933901923 (or 933901912 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113002130021 its reverse (120031200311), we get a palindrome (233033330332).

The spelling of 113002130021 in words is "one hundred thirteen billion, two million, one hundred thirty thousand, twenty-one".