11221367 has 2 divisors, whose sum is σ = 11221368. Its totient is φ = 11221366.

The previous prime is 11221333. The next prime is 11221369. The reversal of 11221367 is 76312211.

It is a strong prime.

It is an emirp because it is prime and its reverse (76312211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221367 - 2⁶ = 11221303 is a prime.

Together with 11221369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610683 + 5610684.

It is an arithmetic number, because the mean of its divisors is an integer number (5610684).

Almost surely, 2^11221367 is an apocalyptic number.

11221367 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221367 is an equidigital number, since it uses as much as digits as its factorization.

11221367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 11221367 is about 3349.8308912541. The cubic root of 11221367 is about 223.8799779534.

Adding to 11221367 its reverse (76312211), we get a palindrome (87533578).

The spelling of 11221367 in words is "eleven million, two hundred twenty-one thousand, three hundred sixty-seven".