13022221311331 has 4 divisors (see below), whose sum is σ = 13022392928632. Its totient is φ = 13022049694032.

The previous prime is 13022221311299. The next prime is 13022221311347. The reversal of 13022221311331 is 13311312222031.

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 13022221311331 - 2⁵ = 13022221311299 is a prime.

It is a super-2 number, since 2×13022221311331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13022221311296 and 13022221311305.

It is not an unprimeable number, because it can be changed into a prime (13022221311131) 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, 85694781 + ... + 85846606.

It is an arithmetic number, because the mean of its divisors is an integer number (3255598232158).

Almost surely, 2^{13022221311331} is an apocalyptic number.

13022221311331 is a deficient number, since it is larger than the sum of its proper divisors (171617301).

13022221311331 is an equidigital number, since it uses as much as digits as its factorization.

13022221311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171617300.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13022221311331 its reverse (13311312222031), we get a palindrome (26333533533362).

The spelling of 13022221311331 in words is "thirteen trillion, twenty-two billion, two hundred twenty-one million, three hundred eleven thousand, three hundred thirty-one".