13331110121 has 16 divisors (see below), whose sum is σ = 15499313280. Its totient is φ = 11228985600.

The previous prime is 13331110073. The next prime is 13331110147. The reversal of 13331110121 is 12101113331.

It is not a de Polignac number, because 13331110121 - 2⁶ = 13331110057 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 13331110121.

It is not an unprimeable number, because it can be changed into a prime (13331110171) 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, 1986071 + ... + 1992771.

It is an arithmetic number, because the mean of its divisors is an integer number (968707080).

Almost surely, 2^13331110121 is an apocalyptic number.

It is an amenable number.

13331110121 is a deficient number, since it is larger than the sum of its proper divisors (2168203159).

13331110121 is an equidigital number, since it uses as much as digits as its factorization.

13331110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13331110121 its reverse (12101113331), we get a palindrome (25432223452).

The spelling of 13331110121 in words is "thirteen billion, three hundred thirty-one million, one hundred ten thousand, one hundred twenty-one".