220110213231 has 6 divisors (see below), whose sum is σ = 317936974680. Its totient is φ = 146740142148.

The previous prime is 220110213203. The next prime is 220110213241. The reversal of 220110213231 is 132312011022.

220110213231 is a `hidden beast` number, since 220 + 1 + 1 + 0 + 213 + 231 = 666.

It is not a de Polignac number, because 220110213231 - 2⁹ = 220110212719 is a prime.

It is a super-2 number, since 2×220110213231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110213241) 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 5 ways as a sum of consecutive naturals, for example, 12228345171 + ... + 12228345188.

It is an arithmetic number, because the mean of its divisors is an integer number (52989495780).

Almost surely, 2^220110213231 is an apocalyptic number.

220110213231 is a deficient number, since it is larger than the sum of its proper divisors (97826761449).

220110213231 is a wasteful number, since it uses less digits than its factorization.

220110213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24456690365 (or 24456690362 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 220110213231 its reverse (132312011022), we get a palindrome (352422224253).

The spelling of 220110213231 in words is "two hundred twenty billion, one hundred ten million, two hundred thirteen thousand, two hundred thirty-one".