11003020103 has 2 divisors, whose sum is σ = 11003020104. Its totient is φ = 11003020102.

The previous prime is 11003020097. The next prime is 11003020111. The reversal of 11003020103 is 30102030011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11003020103 - 2¹⁴ = 11003003719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11003070103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501510051 + 5501510052.

It is an arithmetic number, because the mean of its divisors is an integer number (5501510052).

Almost surely, 2^11003020103 is an apocalyptic number.

11003020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11003020103 is an equidigital number, since it uses as much as digits as its factorization.

11003020103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 11003020103 its reverse (30102030011), we get a palindrome (41105050114).

It can be divided in two parts, 1100 and 3020103, that added together give a palindrome (3021203).

The spelling of 11003020103 in words is "eleven billion, three million, twenty thousand, one hundred three".