222211220122 has 16 divisors (see below), whose sum is σ = 334311382080. Its totient is φ = 110774215872.

The previous prime is 222211220113. The next prime is 222211220173. The reversal of 222211220122 is 221022112222.

222211220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222211220122.

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 7 ways as a sum of consecutive naturals, for example, 3966418 + ... + 4022050.

It is an arithmetic number, because the mean of its divisors is an integer number (20894461380).

Almost surely, 2^222211220122 is an apocalyptic number.

222211220122 is a deficient number, since it is larger than the sum of its proper divisors (112100161958).

222211220122 is a wasteful number, since it uses less digits than its factorization.

222211220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61557.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222211220122 its reverse (221022112222), we get a palindrome (443233332344).

The spelling of 222211220122 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred twenty thousand, one hundred twenty-two".