11132132221 has 4 divisors (see below), whose sum is σ = 12722436832. Its totient is φ = 9541827612.

The previous prime is 11132132191. The next prime is 11132132239. The reversal of 11132132221 is 12223123111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11132132221 - 2¹¹ = 11132130173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132102221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795152295 + ... + 795152308.

It is an arithmetic number, because the mean of its divisors is an integer number (3180609208).

Almost surely, 2^11132132221 is an apocalyptic number.

It is an amenable number.

11132132221 is a deficient number, since it is larger than the sum of its proper divisors (1590304611).

11132132221 is an equidigital number, since it uses as much as digits as its factorization.

11132132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590304610.

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

Adding to 11132132221 its reverse (12223123111), we get a palindrome (23355255332).

The spelling of 11132132221 in words is "eleven billion, one hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-one".