222021111102112 has 96 divisors (see below), whose sum is σ = 504107969444352. Its totient is φ = 94283710746624.

The previous prime is 222021111102083. The next prime is 222021111102181. The reversal of 222021111102112 is 211201111120222.

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 222021111102112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90238393 + ... + 92666119.

It is an arithmetic number, because the mean of its divisors is an integer number (5251124681712).

Almost surely, 2^{222021111102112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222021111102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252053984722176).

222021111102112 is an abundant number, since it is smaller than the sum of its proper divisors (282086858342240).

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

222021111102112 is a wasteful number, since it uses less digits than its factorization.

222021111102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431470 (or 2431462 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222021111102112 its reverse (211201111120222), we get a palindrome (433222222222334).

The spelling of 222021111102112 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred eleven million, one hundred two thousand, one hundred twelve".