11312320222 has 24 divisors (see below), whose sum is σ = 19748919960. Its totient is φ = 4845662640.

The previous prime is 11312320213. The next prime is 11312320237. The reversal of 11312320222 is 22202321311.

It is a self number, because there is not a number n which added to its sum of digits gives 11312320222.

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, 170397 + ... + 227287.

It is an arithmetic number, because the mean of its divisors is an integer number (822871665).

Almost surely, 2^11312320222 is an apocalyptic number.

11312320222 is a deficient number, since it is larger than the sum of its proper divisors (8436599738).

11312320222 is a wasteful number, since it uses less digits than its factorization.

11312320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58936 (or 58929 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11312320222 its reverse (22202321311), we get a palindrome (33514641533).

The spelling of 11312320222 in words is "eleven billion, three hundred twelve million, three hundred twenty thousand, two hundred twenty-two".