11212319 has 2 divisors, whose sum is σ = 11212320. Its totient is φ = 11212318.

The previous prime is 11212291. The next prime is 11212321. The reversal of 11212319 is 91321211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212319 is a prime.

It is a super-2 number, since 2×11212319² = 251432194715522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 11212321, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11212319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606159 + 5606160.

It is an arithmetic number, because the mean of its divisors is an integer number (5606160).

Almost surely, 2^11212319 is an apocalyptic number.

11212319 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212319 is an equidigital number, since it uses as much as digits as its factorization.

11212319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

The square root of 11212319 is about 3348.4801029721. The cubic root of 11212319 is about 223.8197888894.

The spelling of 11212319 in words is "eleven million, two hundred twelve thousand, three hundred nineteen".