11321103 has 4 divisors (see below), whose sum is σ = 15094808. Its totient is φ = 7547400.

The previous prime is 11321087. The next prime is 11321119. The reversal of 11321103 is 30112311.

11321103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11321087) and next prime (11321119).

It is not a de Polignac number, because 11321103 - 2⁴ = 11321087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886848 + ... + 1886853.

It is an arithmetic number, because the mean of its divisors is an integer number (3773702).

Almost surely, 2^11321103 is an apocalyptic number.

11321103 is a deficient number, since it is larger than the sum of its proper divisors (3773705).

11321103 is an equidigital number, since it uses as much as digits as its factorization.

11321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773704.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11321103 is about 3364.6846806202. The cubic root of 11321103 is about 224.5413075050.

Adding to 11321103 its reverse (30112311), we get a palindrome (41433414).

The spelling of 11321103 in words is "eleven million, three hundred twenty-one thousand, one hundred three".