11217103 has 2 divisors, whose sum is σ = 11217104. Its totient is φ = 11217102.

The previous prime is 11217097. The next prime is 11217121. The reversal of 11217103 is 30171211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11217103 - 2²¹ = 9119951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211103) 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, 5608551 + 5608552.

It is an arithmetic number, because the mean of its divisors is an integer number (5608552).

Almost surely, 2^11217103 is an apocalyptic number.

11217103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11217103 is an equidigital number, since it uses as much as digits as its factorization.

11217103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11217103 is about 3349.1943807429. The cubic root of 11217103 is about 223.8516170248.

Adding to 11217103 its reverse (30171211), we get a palindrome (41388314).

The spelling of 11217103 in words is "eleven million, two hundred seventeen thousand, one hundred three".