220211111222120 has 32 divisors (see below), whose sum is σ = 506017021536000. Its totient is φ = 86210307371328.

The previous prime is 220211111222077. The next prime is 220211111222173. The reversal of 220211111222120 is 21222111112022.

220211111222120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220211111222092 and 220211111222101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58566783020 + ... + 58566786779.

It is an arithmetic number, because the mean of its divisors is an integer number (15813031923000).

Almost surely, 2^{220211111222120} is an apocalyptic number.

220211111222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211111222120 is an abundant number, since it is smaller than the sum of its proper divisors (285805910313880).

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

220211111222120 is a wasteful number, since it uses less digits than its factorization.

220211111222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117133569857 (or 117133569853 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 220211111222120 its reverse (21222111112022), we get a palindrome (241433222334142).

The spelling of 220211111222120 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty".