21322022063 has 2 divisors, whose sum is σ = 21322022064. Its totient is φ = 21322022062.

The previous prime is 21322022039. The next prime is 21322022101. The reversal of 21322022063 is 36022022312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21322022063 - 2¹⁶ = 21321956527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21322022563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661011031 + 10661011032.

It is an arithmetic number, because the mean of its divisors is an integer number (10661011032).

Almost surely, 2^21322022063 is an apocalyptic number.

21322022063 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322022063 is an equidigital number, since it uses as much as digits as its factorization.

21322022063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21322022063 its reverse (36022022312), we get a palindrome (57344044375).

The spelling of 21322022063 in words is "twenty-one billion, three hundred twenty-two million, twenty-two thousand, sixty-three".