212021012221063 has 2 divisors, whose sum is σ = 212021012221064. Its totient is φ = 212021012221062.

The previous prime is 212021012221061. The next prime is 212021012221141. The reversal of 212021012221063 is 360122210120212.

212021012221063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212021012221063 - 2¹ = 212021012221061 is a prime.

Together with 212021012221061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021012221061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010506110531 + 106010506110532.

It is an arithmetic number, because the mean of its divisors is an integer number (106010506110532).

Almost surely, 2^{212021012221063} is an apocalyptic number.

212021012221063 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021012221063 is an equidigital number, since it uses as much as digits as its factorization.

212021012221063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 212021012221063 its reverse (360122210120212), we get a palindrome (572143222341275).

The spelling of 212021012221063 in words is "two hundred twelve trillion, twenty-one billion, twelve million, two hundred twenty-one thousand, sixty-three".