11103217 has 2 divisors, whose sum is σ = 11103218. Its totient is φ = 11103216.

The previous prime is 11103199. The next prime is 11103247. The reversal of 11103217 is 71230111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7750656 + 3352561 = 2784^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103217 - 2¹¹ = 11101169 is a prime.

It is a super-3 number, since 3×11103217³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11103217.

It is not a weakly prime, because it can be changed into another prime (11103247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551608 + 5551609.

It is an arithmetic number, because the mean of its divisors is an integer number (5551609).

Almost surely, 2^11103217 is an apocalyptic number.

It is an amenable number.

11103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103217 is an equidigital number, since it uses as much as digits as its factorization.

11103217 is an evil number, because the sum of its binary digits is even.

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

The square root of 11103217 is about 3332.1490062721. The cubic root of 11103217 is about 223.0914583931.

Adding to 11103217 its reverse (71230111), we get a palindrome (82333328).

The spelling of 11103217 in words is "eleven million, one hundred three thousand, two hundred seventeen".