11122003 has 2 divisors, whose sum is σ = 11122004. Its totient is φ = 11122002.

The previous prime is 11121989. The next prime is 11122039. The reversal of 11122003 is 30022111.

11122003 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11122003 - 2⁹ = 11121491 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122073) 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, 5561001 + 5561002.

It is an arithmetic number, because the mean of its divisors is an integer number (5561002).

Almost surely, 2^11122003 is an apocalyptic number.

11122003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122003 is an equidigital number, since it uses as much as digits as its factorization.

11122003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11122003 is about 3334.9667164756. The cubic root of 11122003 is about 223.2172067750.

Adding to 11122003 its reverse (30022111), we get a palindrome (41144114).

The spelling of 11122003 in words is "eleven million, one hundred twenty-two thousand, three".