21002110202033 has 2 divisors, whose sum is σ = 21002110202034. Its totient is φ = 21002110202032.

The previous prime is 21002110202011. The next prime is 21002110202057. The reversal of 21002110202033 is 33020201120012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20800969612864 + 201140589169 = 4560808^2 + 448487^2 .

It is a cyclic number.

It is not a de Polignac number, because 21002110202033 - 2⁴⁴ = 3409924157617 is a prime.

It is not a weakly prime, because it can be changed into another prime (21002110205033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501055101016 + 10501055101017.

It is an arithmetic number, because the mean of its divisors is an integer number (10501055101017).

Almost surely, 2^{21002110202033} is an apocalyptic number.

It is an amenable number.

21002110202033 is a deficient number, since it is larger than the sum of its proper divisors (1).

21002110202033 is an equidigital number, since it uses as much as digits as its factorization.

21002110202033 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 21002110202033 its reverse (33020201120012), we get a palindrome (54022311322045).

The spelling of 21002110202033 in words is "twenty-one trillion, two billion, one hundred ten million, two hundred two thousand, thirty-three".