13232221121 has 12 divisors (see below), whose sum is σ = 15460405488. Its totient is φ = 11291929992.

The previous prime is 13232221073. The next prime is 13232221127. The reversal of 13232221121 is 12112223231.

13232221121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13232221121 - 2²² = 13228026817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13232221093 and 13232221102.

It is not an unprimeable number, because it can be changed into a prime (13232221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583691 + ... + 605936.

It is an arithmetic number, because the mean of its divisors is an integer number (1288367124).

Almost surely, 2^13232221121 is an apocalyptic number.

It is an amenable number.

13232221121 is a deficient number, since it is larger than the sum of its proper divisors (2228184367).

13232221121 is a wasteful number, since it uses less digits than its factorization.

13232221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189868 (or 1189861 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 13232221121 its reverse (12112223231), we get a palindrome (25344444352).

The spelling of 13232221121 in words is "thirteen billion, two hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty-one".