2321111222 has 24 divisors (see below), whose sum is σ = 3615325896. Its totient is φ = 1117597824.

The previous prime is 2321111209. The next prime is 2321111227. The reversal of 2321111222 is 2221111232.

It is a self number, because there is not a number n which added to its sum of digits gives 2321111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321111227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726713 + ... + 729899.

It is an arithmetic number, because the mean of its divisors is an integer number (150638579).

Almost surely, 2^2321111222 is an apocalyptic number.

2321111222 is a deficient number, since it is larger than the sum of its proper divisors (1294214674).

2321111222 is a wasteful number, since it uses less digits than its factorization.

2321111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680 (or 3651 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2321111222 is about 48177.9121797531. The cubic root of 2321111222 is about 1324.0325149537.

Adding to 2321111222 its reverse (2221111232), we get a palindrome (4542222454).

The spelling of 2321111222 in words is "two billion, three hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".