13113021113221 has 16 divisors (see below), whose sum is σ = 14177581101760. Its totient is φ = 12085964795520.

The previous prime is 13113021113207. The next prime is 13113021113239. The reversal of 13113021113221 is 12231112031131.

It is a cyclic number.

It is not a de Polignac number, because 13113021113221 - 2²⁹ = 13112484242309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13113021113192 and 13113021113201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113921113221) 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, 6593161 + ... + 8348401.

It is an arithmetic number, because the mean of its divisors is an integer number (886098818860).

Almost surely, 2^{13113021113221} is an apocalyptic number.

It is an amenable number.

13113021113221 is a deficient number, since it is larger than the sum of its proper divisors (1064559988539).

13113021113221 is a wasteful number, since it uses less digits than its factorization.

13113021113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765924.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13113021113221 its reverse (12231112031131), we get a palindrome (25344133144352).

The spelling of 13113021113221 in words is "thirteen trillion, one hundred thirteen billion, twenty-one million, one hundred thirteen thousand, two hundred twenty-one".