11221113232 has 80 divisors (see below), whose sum is σ = 25347663360. Its totient is φ = 4713007104.

The previous prime is 11221113227. The next prime is 11221113251. The reversal of 11221113232 is 23231112211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207548 + ... + 1216804.

It is an arithmetic number, because the mean of its divisors is an integer number (316845792).

Almost surely, 2^11221113232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221113232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12673831680).

11221113232 is an abundant number, since it is smaller than the sum of its proper divisors (14126550128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221113232 is a wasteful number, since it uses less digits than its factorization.

11221113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488 (or 9482 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 11221113232 its reverse (23231112211), we get a palindrome (34452225443).

The spelling of 11221113232 in words is "eleven billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred thirty-two".