113121111031113 has 16 divisors (see below), whose sum is σ = 153368844585152. Its totient is φ = 74144824200000.

The previous prime is 113121111031099. The next prime is 113121111031133. The reversal of 113121111031113 is 311130111121311.

It is not a de Polignac number, because 113121111031113 - 2¹⁰ = 113121111030089 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 113121111031113.

It is not an unprimeable number, because it can be changed into a prime (113121111031133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136893298 + ... + 137717163.

It is an arithmetic number, because the mean of its divisors is an integer number (9585552786572).

Almost surely, 2^{113121111031113} is an apocalyptic number.

It is an amenable number.

113121111031113 is a deficient number, since it is larger than the sum of its proper divisors (40247733554039).

113121111031113 is a wasteful number, since it uses less digits than its factorization.

113121111031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274612776.

The product of its (nonzero) digits is 54, while the sum is 21.

Adding to 113121111031113 its reverse (311130111121311), we get a palindrome (424251222152424).

The spelling of 113121111031113 in words is "one hundred thirteen trillion, one hundred twenty-one billion, one hundred eleven million, thirty-one thousand, one hundred thirteen".