222111110122122 has 32 divisors (see below), whose sum is σ = 479021797920960. Its totient is φ = 68252074657920.

The previous prime is 222111110122073. The next prime is 222111110122163. The reversal of 222111110122122 is 221221011111222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870885672 + ... + 1871004387.

It is an arithmetic number, because the mean of its divisors is an integer number (14969431185030).

Almost surely, 2^{222111110122122} is an apocalyptic number.

222111110122122 is an abundant number, since it is smaller than the sum of its proper divisors (256910687798838).

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

222111110122122 is a wasteful number, since it uses less digits than its factorization.

222111110122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741890838.

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

Adding to 222111110122122 its reverse (221221011111222), we get a palindrome (443332121233344).

The spelling of 222111110122122 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".