220120111112 has 48 divisors (see below), whose sum is σ = 458333701980. Its totient is φ = 99023063040.

The previous prime is 220120111087. The next prime is 220120111129. The reversal of 220120111112 is 211111021022.

It can be written as a sum of positive squares in 2 ways, for example, as 186560069476 + 33560041636 = 431926^2 + 183194^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078253 + ... + 1266044.

Almost surely, 2^220120111112 is an apocalyptic number.

220120111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220120111112 is an abundant number, since it is smaller than the sum of its proper divisors (238213590868).

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

220120111112 is a wasteful number, since it uses less digits than its factorization.

220120111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344422 (or 2344407 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220120111112 its reverse (211111021022), we get a palindrome (431231132134).

The spelling of 220120111112 in words is "two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, one hundred twelve".