13102220121 has 16 divisors (see below), whose sum is σ = 17512054848. Its totient is φ = 8713625600.

The previous prime is 13102220113. The next prime is 13102220141. The reversal of 13102220121 is 12102220131.

It is a cyclic number.

It is not a de Polignac number, because 13102220121 - 2³ = 13102220113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13102220121.

It is not an unprimeable number, because it can be changed into a prime (13102220141) 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, 3018865 + ... + 3023201.

It is an arithmetic number, because the mean of its divisors is an integer number (1094503428).

Almost surely, 2^13102220121 is an apocalyptic number.

It is an amenable number.

13102220121 is a deficient number, since it is larger than the sum of its proper divisors (4409834727).

13102220121 is a wasteful number, since it uses less digits than its factorization.

13102220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13102220121 its reverse (12102220131), we get a palindrome (25204440252).

The spelling of 13102220121 in words is "thirteen billion, one hundred two million, two hundred twenty thousand, one hundred twenty-one".