222102212122 has 32 divisors (see below), whose sum is σ = 384185088000. Its totient is φ = 94330502640.

The previous prime is 222102212113. The next prime is 222102212173. The reversal of 222102212122 is 221212201222.

It is a self number, because there is not a number n which added to its sum of digits gives 222102212122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630379 + ... + 917377.

It is an arithmetic number, because the mean of its divisors is an integer number (12005784000).

Almost surely, 2^222102212122 is an apocalyptic number.

222102212122 is a deficient number, since it is larger than the sum of its proper divisors (162082875878).

222102212122 is a wasteful number, since it uses less digits than its factorization.

222102212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287506.

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

Adding to 222102212122 its reverse (221212201222), we get a palindrome (443314413344).

The spelling of 222102212122 in words is "two hundred twenty-two billion, one hundred two million, two hundred twelve thousand, one hundred twenty-two".