210021210010033 has 2 divisors, whose sum is σ = 210021210010034. Its totient is φ = 210021210010032.

The previous prime is 210021210009931. The next prime is 210021210010049. The reversal of 210021210010033 is 330010012120012.

It is an a-pointer prime, because the next prime (210021210010049) can be obtained adding 210021210010033 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205603680398769 + 4417529611264 = 14338887^2 + 2101792^2 .

It is a cyclic number.

It is not a de Polignac number, because 210021210010033 - 2⁹ = 210021210009521 is a prime.

It is a super-2 number, since 2×210021210010033² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210021210009989 and 210021210010016.

It is not a weakly prime, because it can be changed into another prime (210021210010433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010605005016 + 105010605005017.

It is an arithmetic number, because the mean of its divisors is an integer number (105010605005017).

Almost surely, 2^{210021210010033} is an apocalyptic number.

It is an amenable number.

210021210010033 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021210010033 is an equidigital number, since it uses as much as digits as its factorization.

210021210010033 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.

Adding to 210021210010033 its reverse (330010012120012), we get a palindrome (540031222130045).

The spelling of 210021210010033 in words is "two hundred ten trillion, twenty-one billion, two hundred ten million, ten thousand, thirty-three".