21322301003 has 2 divisors, whose sum is σ = 21322301004. Its totient is φ = 21322301002.

The previous prime is 21322300999. The next prime is 21322301009. The reversal of 21322301003 is 30010322312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21322301003 - 2² = 21322300999 is a prime.

It is a super-3 number, since 3×21322301003³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (21322301009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661150501 + 10661150502.

It is an arithmetic number, because the mean of its divisors is an integer number (10661150502).

Almost surely, 2^21322301003 is an apocalyptic number.

21322301003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322301003 is an equidigital number, since it uses as much as digits as its factorization.

21322301003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21322301003 its reverse (30010322312), we get a palindrome (51332623315).

The spelling of 21322301003 in words is "twenty-one billion, three hundred twenty-two million, three hundred one thousand, three".