13021022221311 has 32 divisors (see below), whose sum is σ = 19302093948928. Its totient is φ = 7753604238720.

The previous prime is 13021022221271. The next prime is 13021022221357. The reversal of 13021022221311 is 11312222012031.

It is not a de Polignac number, because 13021022221311 - 2¹¹ = 13021022219263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021022229311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10520925 + ... + 11693241.

It is an arithmetic number, because the mean of its divisors is an integer number (603190435904).

Almost surely, 2^{13021022221311} is an apocalyptic number.

13021022221311 is a deficient number, since it is larger than the sum of its proper divisors (6281071727617).

13021022221311 is a wasteful number, since it uses less digits than its factorization.

13021022221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181551.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13021022221311 its reverse (11312222012031), we get a palindrome (24333244233342).

The spelling of 13021022221311 in words is "thirteen trillion, twenty-one billion, twenty-two million, two hundred twenty-one thousand, three hundred eleven".