1222222102122 has 16 divisors (see below), whose sum is σ = 2793650519232. Its totient is φ = 349206314880.

The previous prime is 1222222102097. The next prime is 1222222102133. The reversal of 1222222102122 is 2212012222221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14550263079 + ... + 14550263162.

It is an arithmetic number, because the mean of its divisors is an integer number (174603157452).

Almost surely, 2^{1222222102122} is an apocalyptic number.

1222222102122 is an abundant number, since it is smaller than the sum of its proper divisors (1571428417110).

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

1222222102122 is a wasteful number, since it uses less digits than its factorization.

1222222102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29100526253.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1222222102122 its reverse (2212012222221), we get a palindrome (3434234324343).

The spelling of 1222222102122 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-two".