11132032221 has 24 divisors (see below), whose sum is σ = 16545774336. Its totient is φ = 7207824960.

The previous prime is 11132032217. The next prime is 11132032229. The reversal of 11132032221 is 12223023111.

11132032221 is a `hidden beast` number, since 1 + 1 + 1 + 320 + 322 + 21 = 666.

It is not a de Polignac number, because 11132032221 - 2² = 11132032217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11132032194 and 11132032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132032229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14646 + ... + 149928.

It is an arithmetic number, because the mean of its divisors is an integer number (689407264).

Almost surely, 2^11132032221 is an apocalyptic number.

It is an amenable number.

11132032221 is a deficient number, since it is larger than the sum of its proper divisors (5413742115).

11132032221 is a wasteful number, since it uses less digits than its factorization.

11132032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135553 (or 135550 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11132032221 its reverse (12223023111), we get a palindrome (23355055332).

The spelling of 11132032221 in words is "eleven billion, one hundred thirty-two million, thirty-two thousand, two hundred twenty-one".