11232211232 has 72 divisors (see below), whose sum is σ = 24470869500. Its totient is φ = 5071024640.

The previous prime is 11232211217. The next prime is 11232211273. The reversal of 11232211232 is 23211223211.

It can be written as a sum of positive squares in 2 ways, for example, as 10339635856 + 892575376 = 101684^2 + 29876^2 .

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, 567194 + ... + 586662.

Almost surely, 2^11232211232 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 11232211232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12235434750).

11232211232 is an abundant number, since it is smaller than the sum of its proper divisors (13238658268).

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

11232211232 is a wasteful number, since it uses less digits than its factorization.

11232211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19650 (or 19631 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 11232211232 its reverse (23211223211), we get a palindrome (34443434443).

The spelling of 11232211232 in words is "eleven billion, two hundred thirty-two million, two hundred eleven thousand, two hundred thirty-two".