220100112231 has 16 divisors (see below), whose sum is σ = 308104947456. Its totient is φ = 139492622016.

The previous prime is 220100112229. The next prime is 220100112233. The reversal of 220100112231 is 132211001022.

It is an interprime number because it is at equal distance from previous prime (220100112229) and next prime (220100112233).

It is not a de Polignac number, because 220100112231 - 2¹ = 220100112229 is a prime.

It is a super-3 number, since 3×220100112231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 220100112231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100112233) 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, 9773590 + ... + 9796083.

It is an arithmetic number, because the mean of its divisors is an integer number (19256559216).

Almost surely, 2^220100112231 is an apocalyptic number.

220100112231 is a deficient number, since it is larger than the sum of its proper divisors (88004835225).

220100112231 is a wasteful number, since it uses less digits than its factorization.

220100112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19569862.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220100112231 its reverse (132211001022), we get a palindrome (352311113253).

The spelling of 220100112231 in words is "two hundred twenty billion, one hundred million, one hundred twelve thousand, two hundred thirty-one".