10113131013121 has 4 divisors (see below), whose sum is σ = 10205912031700. Its totient is φ = 10020349994544.

The previous prime is 10113131013071. The next prime is 10113131013133. The reversal of 10113131013121 is 12131013131101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4933569514896 + 5179561498225 = 2221164^2 + 2275865^2 .

It is a cyclic number.

It is not a de Polignac number, because 10113131013121 - 2¹⁹ = 10113130488833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113131013191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46390509126 + ... + 46390509343.

It is an arithmetic number, because the mean of its divisors is an integer number (2551478007925).

Almost surely, 2^{10113131013121} is an apocalyptic number.

It is an amenable number.

10113131013121 is a deficient number, since it is larger than the sum of its proper divisors (92781018579).

10113131013121 is an equidigital number, since it uses as much as digits as its factorization.

10113131013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92781018578.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 10113131013121 its reverse (12131013131101), we get a palindrome (22244144144222).

The spelling of 10113131013121 in words is "ten trillion, one hundred thirteen billion, one hundred thirty-one million, thirteen thousand, one hundred twenty-one".