11421324203 has 24 divisors (see below), whose sum is σ = 12285844608. Its totient is φ = 10603584000.

The previous prime is 11421324193. The next prime is 11421324263. The reversal of 11421324203 is 30242312411.

11421324203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11421324203 - 2¹² = 11421320107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11421324263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3176975 + ... + 3180567.

It is an arithmetic number, because the mean of its divisors is an integer number (511910192).

Almost surely, 2^11421324203 is an apocalyptic number.

11421324203 is a deficient number, since it is larger than the sum of its proper divisors (864520405).

11421324203 is an equidigital number, since it uses as much as digits as its factorization.

11421324203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11421324203 its reverse (30242312411), we get a palindrome (41663636614).

The spelling of 11421324203 in words is "eleven billion, four hundred twenty-one million, three hundred twenty-four thousand, two hundred three".