11312221011232 has 24 divisors (see below), whose sum is σ = 22286585897856. Its totient is φ = 5652135703872.

The previous prime is 11312221011229. The next prime is 11312221011269. The reversal of 11312221011232 is 23211012221311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124166308 + ... + 124257379.

It is an arithmetic number, because the mean of its divisors is an integer number (928607745744).

Almost surely, 2^{11312221011232} is an apocalyptic number.

It is an amenable number.

11312221011232 is a deficient number, since it is larger than the sum of its proper divisors (10974364886624).

11312221011232 is a wasteful number, since it uses less digits than its factorization.

11312221011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248425120 (or 248425112 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11312221011232 its reverse (23211012221311), we get a palindrome (34523233232543).

The spelling of 11312221011232 in words is "eleven trillion, three hundred twelve billion, two hundred twenty-one million, eleven thousand, two hundred thirty-two".