13122220341331 has 4 divisors (see below), whose sum is σ = 13280319381672. Its totient is φ = 12964121300992.

The previous prime is 13122220341323. The next prime is 13122220341341. The reversal of 13122220341331 is 13314302222131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13122220341331 - 2³ = 13122220341323 is a prime.

It is a super-2 number, since 2×13122220341331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122220341331.

It is not an unprimeable number, because it can be changed into a prime (13122220341341) 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, 79049520046 + ... + 79049520211.

It is an arithmetic number, because the mean of its divisors is an integer number (3320079845418).

Almost surely, 2^{13122220341331} is an apocalyptic number.

13122220341331 is a deficient number, since it is larger than the sum of its proper divisors (158099040341).

13122220341331 is an equidigital number, since it uses as much as digits as its factorization.

13122220341331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158099040340.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 13122220341331 its reverse (13314302222131), we get a palindrome (26436522563462).

The spelling of 13122220341331 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twenty million, three hundred forty-one thousand, three hundred thirty-one".