21034020011033 has 2 divisors, whose sum is σ = 21034020011034. Its totient is φ = 21034020011032.

The previous prime is 21034020010981. The next prime is 21034020011047. The reversal of 21034020011033 is 33011002043012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12385697726224 + 8648322284809 = 3519332^2 + 2940803^2 .

It is a cyclic number.

It is not a de Polignac number, because 21034020011033 - 2⁴⁴ = 3441833966617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21034020010996 and 21034020011014.

It is not a weakly prime, because it can be changed into another prime (21034020013033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10517010005516 + 10517010005517.

It is an arithmetic number, because the mean of its divisors is an integer number (10517010005517).

Almost surely, 2^{21034020011033} is an apocalyptic number.

It is an amenable number.

21034020011033 is a deficient number, since it is larger than the sum of its proper divisors (1).

21034020011033 is an equidigital number, since it uses as much as digits as its factorization.

21034020011033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21034020011033 its reverse (33011002043012), we get a palindrome (54045022054045).

The spelling of 21034020011033 in words is "twenty-one trillion, thirty-four billion, twenty million, eleven thousand, thirty-three".