132011221 has 4 divisors (see below), whose sum is σ = 138959200. Its totient is φ = 125063244.

The previous prime is 132011179. The next prime is 132011279. The reversal of 132011221 is 122110231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122110231 = 463 ⋅263737.

It is not a de Polignac number, because 132011221 - 2¹¹ = 132009173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132011281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473961 + ... + 3473998.

It is an arithmetic number, because the mean of its divisors is an integer number (34739800).

Almost surely, 2^132011221 is an apocalyptic number.

It is an amenable number.

132011221 is a deficient number, since it is larger than the sum of its proper divisors (6947979).

132011221 is an equidigital number, since it uses as much as digits as its factorization.

132011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947978.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 132011221 is about 11489.6136140429. The cubic root of 132011221 is about 509.1787641658.

Adding to 132011221 its reverse (122110231), we get a palindrome (254121452).

The spelling of 132011221 in words is "one hundred thirty-two million, eleven thousand, two hundred twenty-one".