13220301121 has 4 divisors (see below), whose sum is σ = 13220940544. Its totient is φ = 13219661700.

The previous prime is 13220301103. The next prime is 13220301167. The reversal of 13220301121 is 12110302231.

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 13220301121 - 2⁵ = 13220301089 is a prime.

It is a super-3 number, since 3×13220301121³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13220301095 and 13220301104.

It is not an unprimeable number, because it can be changed into a prime (13220304121) 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, 287625 + ... + 330406.

It is an arithmetic number, because the mean of its divisors is an integer number (3305235136).

Almost surely, 2^13220301121 is an apocalyptic number.

It is an amenable number.

13220301121 is a deficient number, since it is larger than the sum of its proper divisors (639423).

13220301121 is an equidigital number, since it uses as much as digits as its factorization.

13220301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639422.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13220301121 its reverse (12110302231), we get a palindrome (25330603352).

The spelling of 13220301121 in words is "thirteen billion, two hundred twenty million, three hundred one thousand, one hundred twenty-one".