13110111310121 has 64 divisors (see below), whose sum is σ = 15501288038400. Its totient is φ = 10856745968640.

The previous prime is 13110111310117. The next prime is 13110111310129. The reversal of 13110111310121 is 12101311101131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13110111310121 - 2² = 13110111310117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13110111310121.

It is not an unprimeable number, because it can be changed into a prime (13110111310129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3346975655 + ... + 3346979571.

It is an arithmetic number, because the mean of its divisors is an integer number (242207625600).

Almost surely, 2^{13110111310121} is an apocalyptic number.

It is an amenable number.

13110111310121 is a deficient number, since it is larger than the sum of its proper divisors (2391176728279).

13110111310121 is a wasteful number, since it uses less digits than its factorization.

13110111310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 13110111310121 its reverse (12101311101131), we get a palindrome (25211422411252).

The spelling of 13110111310121 in words is "thirteen trillion, one hundred ten billion, one hundred eleven million, three hundred ten thousand, one hundred twenty-one".