11312221324 has 12 divisors (see below), whose sum is σ = 19838781144. Its totient is φ = 5643998144.

The previous prime is 11312221303. The next prime is 11312221391. The reversal of 11312221324 is 42312221311.

It is a junction number, because it is equal to n+sod(n) for n = 11312221295 and 11312221304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3026029 + ... + 3029764.

It is an arithmetic number, because the mean of its divisors is an integer number (1653231762).

Almost surely, 2^11312221324 is an apocalyptic number.

It is an amenable number.

11312221324 is a deficient number, since it is larger than the sum of its proper divisors (8526559820).

11312221324 is a wasteful number, since it uses less digits than its factorization.

11312221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056264 (or 6056262 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 11312221324 its reverse (42312221311), we get a palindrome (53624442635).

The spelling of 11312221324 in words is "eleven billion, three hundred twelve million, two hundred twenty-one thousand, three hundred twenty-four".