11214321 has 4 divisors (see below), whose sum is σ = 14952432. Its totient is φ = 7476212.

The previous prime is 11214311. The next prime is 11214337. The reversal of 11214321 is 12341211.

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 11214321 - 2⁶ = 11214257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11214321.

It is not an unprimeable number, because it can be changed into a prime (11214311) 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, 1869051 + ... + 1869056.

It is an arithmetic number, because the mean of its divisors is an integer number (3738108).

Almost surely, 2^11214321 is an apocalyptic number.

It is an amenable number.

11214321 is a deficient number, since it is larger than the sum of its proper divisors (3738111).

11214321 is an equidigital number, since it uses as much as digits as its factorization.

11214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738110.

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

The square root of 11214321 is about 3348.7790312291. The cubic root of 11214321 is about 223.8331093735.

Adding to 11214321 its reverse (12341211), we get a palindrome (23555532).

The spelling of 11214321 in words is "eleven million, two hundred fourteen thousand, three hundred twenty-one".