220031233211 has 24 divisors (see below), whose sum is σ = 232659487200. Its totient is φ = 208057614336.

The previous prime is 220031233133. The next prime is 220031233241. The reversal of 220031233211 is 112332130022.

It is not a de Polignac number, because 220031233211 - 2¹⁸ = 220030971067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220031233241) 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, 16520891 + ... + 16534203.

It is an arithmetic number, because the mean of its divisors is an integer number (9694145300).

Almost surely, 2^220031233211 is an apocalyptic number.

220031233211 is a deficient number, since it is larger than the sum of its proper divisors (12628253989).

220031233211 is a wasteful number, since it uses less digits than its factorization.

220031233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715 (or 13692 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220031233211 its reverse (112332130022), we get a palindrome (332363363233).

The spelling of 220031233211 in words is "two hundred twenty billion, thirty-one million, two hundred thirty-three thousand, two hundred eleven".