11323221222 has 32 divisors (see below), whose sum is σ = 23309171424. Its totient is φ = 3664396800.

The previous prime is 11323221211. The next prime is 11323221253. The reversal of 11323221222 is 22212232311.

11323221222 is digitally balanced in base 2, 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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47022 + ... + 157662.

It is an arithmetic number, because the mean of its divisors is an integer number (728411607).

Almost surely, 2^11323221222 is an apocalyptic number.

11323221222 is an abundant number, since it is smaller than the sum of its proper divisors (11985950202).

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

11323221222 is a wasteful number, since it uses less digits than its factorization.

11323221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111144.

The product of its digits is 576, while the sum is 21.

Adding to 11323221222 its reverse (22212232311), we get a palindrome (33535453533).

The spelling of 11323221222 in words is "eleven billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-two".