1021210063 has 2 divisors, whose sum is σ = 1021210064. Its totient is φ = 1021210062.

The previous prime is 1021210049. The next prime is 1021210079. The reversal of 1021210063 is 3600121201.

1021210063 is nontrivially palindromic in base 4.

It is an a-pointer prime, because the next prime (1021210079) can be obtained adding 1021210063 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021210063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510605031 + 510605032.

It is an arithmetic number, because the mean of its divisors is an integer number (510605032).

Almost surely, 2^1021210063 is an apocalyptic number.

1021210063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021210063 is an equidigital number, since it uses as much as digits as its factorization.

1021210063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1021210063 is about 31956.3775012125. The cubic root of 1021210063 is about 1007.0206165961.

Adding to 1021210063 its reverse (3600121201), we get a palindrome (4621331264).

The spelling of 1021210063 in words is "one billion, twenty-one million, two hundred ten thousand, sixty-three".