220231100112 has 20 divisors (see below), whose sum is σ = 568930342080. Its totient is φ = 73410366688.

The previous prime is 220231100101. The next prime is 220231100123. The reversal of 220231100112 is 211001132022.

It is an interprime number because it is at equal distance from previous prime (220231100101) and next prime (220231100123).

It is a junction number, because it is equal to n+sod(n) for n = 220231100091 and 220231100100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294073912 + ... + 2294074007.

It is an arithmetic number, because the mean of its divisors is an integer number (28446517104).

Almost surely, 2^220231100112 is an apocalyptic number.

It is an amenable number.

220231100112 is an abundant number, since it is smaller than the sum of its proper divisors (348699241968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220231100112 is a wasteful number, since it uses less digits than its factorization.

220231100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588147930 (or 4588147924 counting only the distinct ones).

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

Adding to 220231100112 its reverse (211001132022), we get a palindrome (431232232134).

The spelling of 220231100112 in words is "two hundred twenty billion, two hundred thirty-one million, one hundred thousand, one hundred twelve".