122122211122 has 16 divisors (see below), whose sum is σ = 184889073600. Its totient is φ = 60492672720.

The previous prime is 122122211111. The next prime is 122122211149. The reversal of 122122211122 is 221112221221.

122122211122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122122211122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760329 + ... + 1828387.

It is an arithmetic number, because the mean of its divisors is an integer number (11555567100).

Almost surely, 2^122122211122 is an apocalyptic number.

122122211122 is a deficient number, since it is larger than the sum of its proper divisors (62766862478).

122122211122 is a wasteful number, since it uses less digits than its factorization.

122122211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76401.

The product of its digits is 128, while the sum is 19.

Adding to 122122211122 its reverse (221112221221), we get a palindrome (343234432343).

The spelling of 122122211122 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".