222112102220 has 12 divisors (see below), whose sum is σ = 466435414704. Its totient is φ = 88844840880.

The previous prime is 222112102211. The next prime is 222112102253. The reversal of 222112102220 is 22201211222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552802536 + ... + 5552802575.

It is an arithmetic number, because the mean of its divisors is an integer number (38869617892).

Almost surely, 2^222112102220 is an apocalyptic number.

222112102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112102220 is an abundant number, since it is smaller than the sum of its proper divisors (244323312484).

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

222112102220 is a wasteful number, since it uses less digits than its factorization.

222112102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105605120 (or 11105605118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222112102220 its reverse (22201211222), we get a palindrome (244313313442).

The spelling of 222112102220 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred two thousand, two hundred twenty".