21022322003 has 2 divisors, whose sum is σ = 21022322004. Its totient is φ = 21022322002.

The previous prime is 21022321997. The next prime is 21022322011. The reversal of 21022322003 is 30022322012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21022322003 - 2¹⁶ = 21022256467 is a prime.

It is not a weakly prime, because it can be changed into another prime (21022322803) 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 as a sum of consecutive naturals, namely, 10511161001 + 10511161002.

It is an arithmetic number, because the mean of its divisors is an integer number (10511161002).

Almost surely, 2^21022322003 is an apocalyptic number.

21022322003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022322003 is an equidigital number, since it uses as much as digits as its factorization.

21022322003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21022322003 its reverse (30022322012), we get a palindrome (51044644015).

Subtracting 21022322003 from its reverse (30022322012), we obtain a palindrome (9000000009).

The spelling of 21022322003 in words is "twenty-one billion, twenty-two million, three hundred twenty-two thousand, three".