21231333322003 has 32 divisors (see below), whose sum is σ = 25321831299072. Its totient is φ = 17423999510400.

The previous prime is 21231333321959. The next prime is 21231333322039. The reversal of 21231333322003 is 30022333313212.

It is not a de Polignac number, because 21231333322003 - 2¹³ = 21231333313811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21231333322403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3406518 + ... + 7353028.

It is an arithmetic number, because the mean of its divisors is an integer number (791307228096).

Almost surely, 2^{21231333322003} is an apocalyptic number.

21231333322003 is a deficient number, since it is larger than the sum of its proper divisors (4090497977069).

21231333322003 is a wasteful number, since it uses less digits than its factorization.

21231333322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946915.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21231333322003 its reverse (30022333313212), we get a palindrome (51253666635215).

The spelling of 21231333322003 in words is "twenty-one trillion, two hundred thirty-one billion, three hundred thirty-three million, three hundred twenty-two thousand, three".