13022021111331 has 24 divisors (see below), whose sum is σ = 18634253900080. Its totient is φ = 8086446047232.

The previous prime is 13022021111317. The next prime is 13022021111347. The reversal of 13022021111331 is 13311112022031.

It is not a de Polignac number, because 13022021111331 - 2⁵ = 13022021111299 is a prime.

It is a super-2 number, since 2×13022021111331² (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 = 13022021111298 and 13022021111307.

It is not an unprimeable number, because it can be changed into a prime (13022021118331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77336686 + ... + 77504883.

Almost surely, 2^{13022021111331} is an apocalyptic number.

13022021111331 is a deficient number, since it is larger than the sum of its proper divisors (5612232788749).

13022021111331 is a wasteful number, since it uses less digits than its factorization.

13022021111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154841703 (or 154841686 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13022021111331 its reverse (13311112022031), we get a palindrome (26333133133362).

The spelling of 13022021111331 in words is "thirteen trillion, twenty-two billion, twenty-one million, one hundred eleven thousand, three hundred thirty-one".