220111112120 has 16 divisors (see below), whose sum is σ = 495250002360. Its totient is φ = 88044444832.

The previous prime is 220111112113. The next prime is 220111112129. The reversal of 220111112120 is 21211111022.

It is a junction number, because it is equal to n+sod(n) for n = 220111112095 and 220111112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111112129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751388862 + ... + 2751388941.

Almost surely, 2^220111112120 is an apocalyptic number.

220111112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111112120 is an abundant number, since it is smaller than the sum of its proper divisors (275138890240).

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

220111112120 is a wasteful number, since it uses less digits than its factorization.

220111112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502777814 (or 5502777810 counting only the distinct ones).

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

Adding to 220111112120 its reverse (21211111022), we get a palindrome (241322223142).

The spelling of 220111112120 in words is "two hundred twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty".