11219 has 4 divisors (see below), whose sum is σ = 12096. Its totient is φ = 10344.

The previous prime is 11213. The next prime is 11239. The reversal of 11219 is 91211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91211 = 197 ⋅463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11219 is a prime.

It is a super-2 number, since 2×11219² = 251731922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11213) 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, 419 + ... + 444.

It is an arithmetic number, because the mean of its divisors is an integer number (3024).

2¹¹²¹⁹ is an apocalyptic number.

11219 is a deficient number, since it is larger than the sum of its proper divisors (877).

11219 is an equidigital number, since it uses as much as digits as its factorization.

11219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its digits is 18, while the sum is 14.

The square root of 11219 is about 105.9197809665. The cubic root of 11219 is about 22.3864235333.

It can be divided in two parts, 112 and 19, that added together give a palindrome (131).

The spelling of 11219 in words is "eleven thousand, two hundred nineteen".