11001103 has 2 divisors, whose sum is σ = 11001104. Its totient is φ = 11001102.

The previous prime is 11001083. The next prime is 11001131. The reversal of 11001103 is 30110011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11001103 - 2¹³ = 10992911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500551 + 5500552.

It is an arithmetic number, because the mean of its divisors is an integer number (5500552).

Almost surely, 2^11001103 is an apocalyptic number.

11001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001103 is an equidigital number, since it uses as much as digits as its factorization.

11001103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 11001103 is about 3316.7910696937. The cubic root of 11001103 is about 222.4054422935.

Adding to 11001103 its reverse (30110011), we get a palindrome (41111114).

The spelling of 11001103 in words is "eleven million, one thousand, one hundred three".