11221307 has 2 divisors, whose sum is σ = 11221308. Its totient is φ = 11221306.

The previous prime is 11221303. The next prime is 11221333. The reversal of 11221307 is 70312211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221307 - 2² = 11221303 is a prime.

It is not a weakly prime, because it can be changed into another prime (11221303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610653 + 5610654.

It is an arithmetic number, because the mean of its divisors is an integer number (5610654).

Almost surely, 2^11221307 is an apocalyptic number.

11221307 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221307 is an equidigital number, since it uses as much as digits as its factorization.

11221307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11221307 is about 3349.8219355661. The cubic root of 11221307 is about 223.8795789283.

Adding to 11221307 its reverse (70312211), we get a palindrome (81533518).

The spelling of 11221307 in words is "eleven million, two hundred twenty-one thousand, three hundred seven".