210221012063 has 2 divisors, whose sum is σ = 210221012064. Its totient is φ = 210221012062.

The previous prime is 210221011951. The next prime is 210221012081. The reversal of 210221012063 is 360210122012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210221012063 - 2¹² = 210221007967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210221012263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110506031 + 105110506032.

It is an arithmetic number, because the mean of its divisors is an integer number (105110506032).

Almost surely, 2^210221012063 is an apocalyptic number.

210221012063 is a deficient number, since it is larger than the sum of its proper divisors (1).

210221012063 is an equidigital number, since it uses as much as digits as its factorization.

210221012063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210221012063 its reverse (360210122012), we get a palindrome (570431134075).

The spelling of 210221012063 in words is "two hundred ten billion, two hundred twenty-one million, twelve thousand, sixty-three".