2122221122222 has 16 divisors (see below), whose sum is σ = 3353602035600. Its totient is φ = 1004444663040.

The previous prime is 2122221122209. The next prime is 2122221122237. The reversal of 2122221122222 is 2222211222212.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 22674179 + ... + 22767582.

It is an arithmetic number, because the mean of its divisors is an integer number (209600127225).

Almost surely, 2^{2122221122222} is an apocalyptic number.

2122221122222 is a deficient number, since it is larger than the sum of its proper divisors (1231380913378).

2122221122222 is a wasteful number, since it uses less digits than its factorization.

2122221122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45443011.

The product of its digits is 1024, while the sum is 23.

Adding to 2122221122222 its reverse (2222211222212), we get a palindrome (4344432344434).

The spelling of 2122221122222 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".