11221327 has 4 divisors (see below), whose sum is σ = 12084520. Its totient is φ = 10358136.

The previous prime is 11221307. The next prime is 11221333. The reversal of 11221327 is 72312211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72312211 = 1327 ⋅54493.

It is a cyclic number.

It is not a de Polignac number, because 11221327 - 2¹⁹ = 10697039 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 (11221307) 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, 431577 + ... + 431602.

It is an arithmetic number, because the mean of its divisors is an integer number (3021130).

Almost surely, 2^11221327 is an apocalyptic number.

11221327 is a deficient number, since it is larger than the sum of its proper divisors (863193).

11221327 is an equidigital number, since it uses as much as digits as its factorization.

11221327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863192.

The product of its digits is 168, while the sum is 19.

The square root of 11221327 is about 3349.8249207981. The cubic root of 11221327 is about 223.8797119368.

Adding to 11221327 its reverse (72312211), we get a palindrome (83533538).

The spelling of 11221327 in words is "eleven million, two hundred twenty-one thousand, three hundred twenty-seven".