221022110112222 has 16 divisors (see below), whose sum is σ = 442044387868032. Its totient is φ = 73674008763480.

The previous prime is 221022110112191. The next prime is 221022110112257. The reversal of 221022110112222 is 222211011220122.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 15943647 + ... + 26386437.

It is an arithmetic number, because the mean of its divisors is an integer number (27627774241752).

Almost surely, 2^{221022110112222} is an apocalyptic number.

221022110112222 is an abundant number, since it is smaller than the sum of its proper divisors (221022277755810).

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

221022110112222 is a wasteful number, since it uses less digits than its factorization.

221022110112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970303.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221022110112222 its reverse (222211011220122), we get a palindrome (443233121332344).

The spelling of 221022110112222 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-two".