21010022063 has 2 divisors, whose sum is σ = 21010022064. Its totient is φ = 21010022062.

The previous prime is 21010022053. The next prime is 21010022123. The reversal of 21010022063 is 36022001012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21010022063 - 2²⁰ = 21008973487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21010022053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505011031 + 10505011032.

It is an arithmetic number, because the mean of its divisors is an integer number (10505011032).

Almost surely, 2^21010022063 is an apocalyptic number.

21010022063 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010022063 is an equidigital number, since it uses as much as digits as its factorization.

21010022063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21010022063 its reverse (36022001012), we get a palindrome (57032023075).

The spelling of 21010022063 in words is "twenty-one billion, ten million, twenty-two thousand, sixty-three".