11311033222 has 24 divisors (see below), whose sum is σ = 17915839200. Its totient is φ = 5355071568.

The previous prime is 11311033199. The next prime is 11311033243. The reversal of 11311033222 is 22233011311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11311033222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2242179 + ... + 2247217.

It is an arithmetic number, because the mean of its divisors is an integer number (746493300).

Almost surely, 2^11311033222 is an apocalyptic number.

11311033222 is a deficient number, since it is larger than the sum of its proper divisors (6604805978).

11311033222 is a wasteful number, since it uses less digits than its factorization.

11311033222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188 (or 8169 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11311033222 its reverse (22233011311), we get a palindrome (33544044533).

The spelling of 11311033222 in words is "eleven billion, three hundred eleven million, thirty-three thousand, two hundred twenty-two".