11221303 has 2 divisors, whose sum is σ = 11221304. Its totient is φ = 11221302.

The previous prime is 11221283. The next prime is 11221307. The reversal of 11221303 is 30312211.

It is a strong prime.

It is an emirp because it is prime and its reverse (30312211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221303 - 2²¹ = 9124151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610651 + 5610652.

It is an arithmetic number, because the mean of its divisors is an integer number (5610652).

Almost surely, 2^11221303 is an apocalyptic number.

11221303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221303 is an equidigital number, since it uses as much as digits as its factorization.

11221303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11221303 is about 3349.8213385194. The cubic root of 11221303 is about 223.8795523266.

Adding to 11221303 its reverse (30312211), we get a palindrome (41533514).

The spelling of 11221303 in words is "eleven million, two hundred twenty-one thousand, three hundred three".