13222332121 has 4 divisors (see below), whose sum is σ = 13224217600. Its totient is φ = 13220446644.

The previous prime is 13222332113. The next prime is 13222332143. The reversal of 13222332121 is 12123322231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13222332121 - 2³ = 13222332113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222332092 and 13222332101.

It is not an unprimeable number, because it can be changed into a prime (13222333121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932181 + ... + 946258.

It is an arithmetic number, because the mean of its divisors is an integer number (3306054400).

Almost surely, 2^13222332121 is an apocalyptic number.

It is an amenable number.

13222332121 is a deficient number, since it is larger than the sum of its proper divisors (1885479).

13222332121 is an equidigital number, since it uses as much as digits as its factorization.

13222332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885478.

The product of its digits is 864, while the sum is 22.

Adding to 13222332121 its reverse (12123322231), we get a palindrome (25345654352).

The spelling of 13222332121 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty-two thousand, one hundred twenty-one".