11033311103 has 4 divisors (see below), whose sum is σ = 11033835120. Its totient is φ = 11032787088.

The previous prime is 11033311067. The next prime is 11033311123. The reversal of 11033311103 is 30111333011.

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

It is a cyclic number.

It is not a de Polignac number, because 11033311103 - 2¹² = 11033307007 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 (11033311123) 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, 229043 + ... + 272996.

It is an arithmetic number, because the mean of its divisors is an integer number (2758458780).

Almost surely, 2^11033311103 is an apocalyptic number.

11033311103 is a deficient number, since it is larger than the sum of its proper divisors (524017).

11033311103 is an equidigital number, since it uses as much as digits as its factorization.

11033311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524016.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11033311103 its reverse (30111333011), we get a palindrome (41144644114).

The spelling of 11033311103 in words is "eleven billion, thirty-three million, three hundred eleven thousand, one hundred three".