11021323203 has 12 divisors (see below), whose sum is σ = 17366933688. Its totient is φ = 6679589760.

The previous prime is 11021323189. The next prime is 11021323211. The reversal of 11021323203 is 30232312011.

It is not a de Polignac number, because 11021323203 - 2³⁰ = 9947581379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021323303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55663150 + ... + 55663347.

It is an arithmetic number, because the mean of its divisors is an integer number (1447244474).

Almost surely, 2^11021323203 is an apocalyptic number.

11021323203 is a deficient number, since it is larger than the sum of its proper divisors (6345610485).

11021323203 is a wasteful number, since it uses less digits than its factorization.

11021323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111326514 (or 111326511 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11021323203 its reverse (30232312011), we get a palindrome (41253635214).

The spelling of 11021323203 in words is "eleven billion, twenty-one million, three hundred twenty-three thousand, two hundred three".