21233203211003 has 8 divisors (see below), whose sum is σ = 24598936010208. Its totient is φ = 17950574925504.

The previous prime is 21233203210997. The next prime is 21233203211023. The reversal of 21233203211003 is 30011230233212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21233203211003 - 2¹⁰ = 21233203209979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21233203211003.

It is not an unprimeable number, because it can be changed into a prime (21233203211023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20776127876 + ... + 20776128897.

It is an arithmetic number, because the mean of its divisors is an integer number (3074867001276).

Almost surely, 2^{21233203211003} is an apocalyptic number.

21233203211003 is a deficient number, since it is larger than the sum of its proper divisors (3365732799205).

21233203211003 is an equidigital number, since it uses as much as digits as its factorization.

21233203211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41552256853.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21233203211003 its reverse (30011230233212), we get a palindrome (51244433444215).

The spelling of 21233203211003 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred three million, two hundred eleven thousand, three".