222221110111122 has 16 divisors (see below), whose sum is σ = 444971948742720. Its totient is φ = 73985415283632.

The previous prime is 222221110111093. The next prime is 222221110111123. The reversal of 222221110111122 is 221111011122222.

It is not an unprimeable number, because it can be changed into a prime (222221110111123) by changing a digit.

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, 22072016233 + ... + 22072026300.

It is an arithmetic number, because the mean of its divisors is an integer number (27810746796420).

Almost surely, 2^{222221110111122} is an apocalyptic number.

222221110111122 is an abundant number, since it is smaller than the sum of its proper divisors (222750838631598).

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

222221110111122 is a wasteful number, since it uses less digits than its factorization.

222221110111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44144043377.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 222221110111122 its reverse (221111011122222), we get a palindrome (443332121233344).

The spelling of 222221110111122 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred ten million, one hundred eleven thousand, one hundred twenty-two".