222111000220 has 12 divisors (see below), whose sum is σ = 466433100504. Its totient is φ = 88844400080.

The previous prime is 222111000109. The next prime is 222111000227. The reversal of 222111000220 is 22000111222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222111000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111000227) 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, 5552774986 + ... + 5552775025.

It is an arithmetic number, because the mean of its divisors is an integer number (38869425042).

Almost surely, 2^222111000220 is an apocalyptic number.

222111000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222111000220 is an abundant number, since it is smaller than the sum of its proper divisors (244322100284).

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

222111000220 is a wasteful number, since it uses less digits than its factorization.

222111000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105550020 (or 11105550018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222111000220 its reverse (22000111222), we get a palindrome (244111111442).

The spelling of 222111000220 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred twenty", and thus it is an aban number.