220131321112 has 16 divisors (see below), whose sum is σ = 412776720360. Its totient is φ = 110057529024.

The previous prime is 220131321089. The next prime is 220131321121. The reversal of 220131321112 is 211123131022.

It is a self number, because there is not a number n which added to its sum of digits gives 220131321112.

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, 900613 + ... + 1118644.

Almost surely, 2^220131321112 is an apocalyptic number.

It is an amenable number.

220131321112 is a deficient number, since it is larger than the sum of its proper divisors (192645399248).

220131321112 is a wasteful number, since it uses less digits than its factorization.

220131321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032890 (or 2032886 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 220131321112 its reverse (211123131022), we get a palindrome (431254452134).

The spelling of 220131321112 in words is "two hundred twenty billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred twelve".