13121551102 has 32 divisors (see below), whose sum is σ = 22220550144. Its totient is φ = 5757285600.

The previous prime is 13121551061. The next prime is 13121551111. The reversal of 13121551102 is 20115512131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246523 + ... + 294985.

It is an arithmetic number, because the mean of its divisors is an integer number (694392192).

Almost surely, 2^13121551102 is an apocalyptic number.

13121551102 is a deficient number, since it is larger than the sum of its proper divisors (9098999042).

13121551102 is a wasteful number, since it uses less digits than its factorization.

13121551102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48904.

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 13121551102 in words is "thirteen billion, one hundred twenty-one million, five hundred fifty-one thousand, one hundred two".