222111010220 has 24 divisors (see below), whose sum is σ = 508836133008. Its totient is φ = 80767640000.

The previous prime is 222111010217. The next prime is 222111010241. The reversal of 222111010220 is 22010111222.

It is a junction number, because it is equal to n+sod(n) for n = 222111010195 and 222111010204.

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, 504797531 + ... + 504797970.

It is an arithmetic number, because the mean of its divisors is an integer number (21201505542).

Almost surely, 2^222111010220 is an apocalyptic number.

222111010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222111010220 is an abundant number, since it is smaller than the sum of its proper divisors (286725122788).

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

222111010220 is a wasteful number, since it uses less digits than its factorization.

222111010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009595521 (or 1009595519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222111010220 its reverse (22010111222), we get a palindrome (244121121442).

The spelling of 222111010220 in words is "two hundred twenty-two billion, one hundred eleven million, ten thousand, two hundred twenty".