21034020013033 has 2 divisors, whose sum is σ = 21034020013034. Its totient is φ = 21034020013032.

The previous prime is 21034020013007. The next prime is 21034020013063. The reversal of 21034020013033 is 33031002043012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20826883067904 + 207136945129 = 4563648^2 + 455123^2 .

It is a cyclic number.

It is not a de Polignac number, because 21034020013033 - 2⁵ = 21034020013001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21034020012995 and 21034020013013.

It is not a weakly prime, because it can be changed into another prime (21034020013063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10517010006516 + 10517010006517.

It is an arithmetic number, because the mean of its divisors is an integer number (10517010006517).

Almost surely, 2^{21034020013033} is an apocalyptic number.

It is an amenable number.

21034020013033 is a deficient number, since it is larger than the sum of its proper divisors (1).

21034020013033 is an equidigital number, since it uses as much as digits as its factorization.

21034020013033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21034020013033 its reverse (33031002043012), we get a palindrome (54065022056045).

The spelling of 21034020013033 in words is "twenty-one trillion, thirty-four billion, twenty million, thirteen thousand, thirty-three".