222111111110122 has 16 divisors (see below), whose sum is σ = 379900452487752. Its totient is φ = 96482654599680.

The previous prime is 222111111110117. The next prime is 222111111110123. The reversal of 222111111110122 is 221011111111222.

It can be written as a sum of positive squares in 4 ways, for example, as 182762576898841 + 39348534211281 = 13518971^2 + 6272841^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222111111110122.

It is not an unprimeable number, because it can be changed into a prime (222111111110123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251256912579 + ... + 251256913462.

Almost surely, 2^{222111111110122} is an apocalyptic number.

222111111110122 is a deficient number, since it is larger than the sum of its proper divisors (157789341377630).

222111111110122 is a wasteful number, since it uses less digits than its factorization.

222111111110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502513826073.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 222111111110122 its reverse (221011111111222), we get a palindrome (443122222221344).

The spelling of 222111111110122 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-two".