11221001232 has 80 divisors (see below), whose sum is σ = 35077433472. Its totient is φ = 3017410560.

The previous prime is 11221001221. The next prime is 11221001251. The reversal of 11221001232 is 23210012211.

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, 976519 + ... + 987942.

Almost surely, 2^11221001232 is an apocalyptic number.

11221001232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221001232 is an abundant number, since it is smaller than the sum of its proper divisors (23856432240).

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

11221001232 is a wasteful number, since it uses less digits than its factorization.

11221001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964496 (or 1964490 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11221001232 its reverse (23210012211), we get a palindrome (34431013443).

The spelling of 11221001232 in words is "eleven billion, two hundred twenty-one million, one thousand, two hundred thirty-two".