11123122003 has 16 divisors (see below), whose sum is σ = 13097517760. Its totient is φ = 9246721536.

The previous prime is 11123122001. The next prime is 11123122039. The reversal of 11123122003 is 30022132111.

It is a cyclic number.

It is not a de Polignac number, because 11123122003 - 2¹ = 11123122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123122001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12463 + ... + 149671.

It is an arithmetic number, because the mean of its divisors is an integer number (818594860).

Almost surely, 2^11123122003 is an apocalyptic number.

11123122003 is a deficient number, since it is larger than the sum of its proper divisors (1974395757).

11123122003 is a wasteful number, since it uses less digits than its factorization.

11123122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137566.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11123122003 its reverse (30022132111), we get a palindrome (41145254114).

The spelling of 11123122003 in words is "eleven billion, one hundred twenty-three million, one hundred twenty-two thousand, three".