20122231213331 has 16 divisors (see below), whose sum is σ = 22430820572160. Its totient is φ = 17923087244160.

The previous prime is 20122231213219. The next prime is 20122231213349. The reversal of 20122231213331 is 13331213222102.

It is a cyclic number.

It is not a de Polignac number, because 20122231213331 - 2¹⁸ = 20122230951187 is a prime.

It is a super-2 number, since 2×20122231213331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20122231213331.

It is not an unprimeable number, because it can be changed into a prime (20122231213351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15420740 + ... + 16674641.

It is an arithmetic number, because the mean of its divisors is an integer number (1401926285760).

Almost surely, 2^{20122231213331} is an apocalyptic number.

20122231213331 is a deficient number, since it is larger than the sum of its proper divisors (2308589358829).

20122231213331 is a wasteful number, since it uses less digits than its factorization.

20122231213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32097086.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20122231213331 its reverse (13331213222102), we get a palindrome (33453444435433).

The spelling of 20122231213331 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred thirty-one".