13221202222031 has 16 divisors (see below), whose sum is σ = 13621141776000. Its totient is φ = 12825487146528.

The previous prime is 13221202222021. The next prime is 13221202222057. The reversal of 13221202222031 is 13022220212231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13221202222031 - 2¹⁸ = 13221201959887 is a prime.

It is a super-2 number, since 2×13221202222031² (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 = 13221202221988 and 13221202222006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221202222001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53817980 + ... + 54063086.

It is an arithmetic number, because the mean of its divisors is an integer number (851321361000).

Almost surely, 2^{13221202222031} is an apocalyptic number.

13221202222031 is a deficient number, since it is larger than the sum of its proper divisors (399939553969).

13221202222031 is a wasteful number, since it uses less digits than its factorization.

13221202222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253718.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13221202222031 its reverse (13022220212231), we get a palindrome (26243422434262).

The spelling of 13221202222031 in words is "thirteen trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, thirty-one".