221022110120122 has 16 divisors (see below), whose sum is σ = 334479080275200. Its totient is φ = 109532287185552.

The previous prime is 221022110120111. The next prime is 221022110120143. The reversal of 221022110120122 is 221021011220122.

It is a self number, because there is not a number n which added to its sum of digits gives 221022110120122.

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, 800817678 + ... + 801093625.

It is an arithmetic number, because the mean of its divisors is an integer number (20904942517200).

Almost surely, 2^{221022110120122} is an apocalyptic number.

221022110120122 is a deficient number, since it is larger than the sum of its proper divisors (113456970155078).

221022110120122 is a wasteful number, since it uses less digits than its factorization.

221022110120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601911917.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221022110120122 its reverse (221021011220122), we get a palindrome (442043121340244).

The spelling of 221022110120122 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-two".