1222122211122 has 16 divisors (see below), whose sum is σ = 2572888865760. Its totient is φ = 385933329792.

The previous prime is 1222122211117. The next prime is 1222122211133. The reversal of 1222122211122 is 2211122212221.

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

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, 5360185023 + ... + 5360185250.

It is an arithmetic number, because the mean of its divisors is an integer number (160805554110).

Almost surely, 2^{1222122211122} is an apocalyptic number.

1222122211122 is an abundant number, since it is smaller than the sum of its proper divisors (1350766654638).

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

1222122211122 is a wasteful number, since it uses less digits than its factorization.

1222122211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720370297.

The product of its digits is 256, while the sum is 21.

Adding to 1222122211122 its reverse (2211122212221), we get a palindrome (3433244423343).

The spelling of 1222122211122 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".