11223010203 has 4 divisors (see below), whose sum is σ = 14964013608. Its totient is φ = 7482006800.

The previous prime is 11223010181. The next prime is 11223010261. The reversal of 11223010203 is 30201032211.

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 11223010203 - 2⁵ = 11223010171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11223010303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870501698 + ... + 1870501703.

It is an arithmetic number, because the mean of its divisors is an integer number (3741003402).

Almost surely, 2^11223010203 is an apocalyptic number.

11223010203 is a deficient number, since it is larger than the sum of its proper divisors (3741003405).

11223010203 is an equidigital number, since it uses as much as digits as its factorization.

11223010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741003404.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11223010203 its reverse (30201032211), we get a palindrome (41424042414).

The spelling of 11223010203 in words is "eleven billion, two hundred twenty-three million, ten thousand, two hundred three".