11312203222 has 16 divisors (see below), whose sum is σ = 17259583680. Its totient is φ = 5559049672.

The previous prime is 11312203213. The next prime is 11312203247. The reversal of 11312203222 is 22230221311.

It is a self number, because there is not a number n which added to its sum of digits gives 11312203222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852813 + ... + 865975.

It is an arithmetic number, because the mean of its divisors is an integer number (1078723980).

Almost surely, 2^11312203222 is an apocalyptic number.

11312203222 is a deficient number, since it is larger than the sum of its proper divisors (5947380458).

11312203222 is a wasteful number, since it uses less digits than its factorization.

11312203222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20507.

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

Adding to 11312203222 its reverse (22230221311), we get a palindrome (33542424533).

The spelling of 11312203222 in words is "eleven billion, three hundred twelve million, two hundred three thousand, two hundred twenty-two".