10113131121 has 32 divisors (see below), whose sum is σ = 14330803200. Its totient is φ = 6325853760.

The previous prime is 10113131101. The next prime is 10113131123. The reversal of 10113131121 is 12113131101.

It is not a de Polignac number, because 10113131121 - 2⁵ = 10113131089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10113131121.

It is not an unprimeable number, because it can be changed into a prime (10113131123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3857191 + ... + 3859811.

It is an arithmetic number, because the mean of its divisors is an integer number (447837600).

Almost surely, 2^10113131121 is an apocalyptic number.

It is an amenable number.

10113131121 is a deficient number, since it is larger than the sum of its proper divisors (4217672079).

10113131121 is a wasteful number, since it uses less digits than its factorization.

10113131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10113131121 its reverse (12113131101), we get a palindrome (22226262222).

The spelling of 10113131121 in words is "ten billion, one hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-one".