2002220112231 has 8 divisors (see below), whose sum is σ = 2966252018160. Its totient is φ = 1334813408136.

The previous prime is 2002220112223. The next prime is 2002220112247. The reversal of 2002220112231 is 1322110222002.

2002220112231 is a `hidden beast` number, since 200 + 2 + 220 + 1 + 12 + 231 = 666.

It is not a de Polignac number, because 2002220112231 - 2³ = 2002220112223 is a prime.

It is a super-2 number, since 2×2002220112231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220112281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37078150200 + ... + 37078150253.

It is an arithmetic number, because the mean of its divisors is an integer number (370781502270).

Almost surely, 2^{2002220112231} is an apocalyptic number.

2002220112231 is a deficient number, since it is larger than the sum of its proper divisors (964031905929).

2002220112231 is an equidigital number, since it uses as much as digits as its factorization.

2002220112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74156300462 (or 74156300456 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2002220112231 its reverse (1322110222002), we get a palindrome (3324330334233).

The spelling of 2002220112231 in words is "two trillion, two billion, two hundred twenty million, one hundred twelve thousand, two hundred thirty-one".