11311444222 has 16 divisors (see below), whose sum is σ = 18661108032. Its totient is φ = 5109588000.

The previous prime is 11311444147. The next prime is 11311444223. The reversal of 11311444222 is 22244411311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311444223) by changing a digit.

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, 4627029 + ... + 4629472.

It is an arithmetic number, because the mean of its divisors is an integer number (1166319252).

Almost surely, 2^11311444222 is an apocalyptic number.

11311444222 is a deficient number, since it is larger than the sum of its proper divisors (7349663810).

11311444222 is a wasteful number, since it uses less digits than its factorization.

11311444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256563.

The product of its digits is 1536, while the sum is 25.

Adding to 11311444222 its reverse (22244411311), we get a palindrome (33555855533).

The spelling of 11311444222 in words is "eleven billion, three hundred eleven million, four hundred forty-four thousand, two hundred twenty-two".