21332113003 has 2 divisors, whose sum is σ = 21332113004. Its totient is φ = 21332113002.

The previous prime is 21332113001. The next prime is 21332113037. The reversal of 21332113003 is 30031123312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21332113003 - 2¹ = 21332113001 is a prime.

Together with 21332113001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (21332113001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666056501 + 10666056502.

It is an arithmetic number, because the mean of its divisors is an integer number (10666056502).

Almost surely, 2^21332113003 is an apocalyptic number.

21332113003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332113003 is an equidigital number, since it uses as much as digits as its factorization.

21332113003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21332113003 its reverse (30031123312), we get a palindrome (51363236315).

The spelling of 21332113003 in words is "twenty-one billion, three hundred thirty-two million, one hundred thirteen thousand, three".