21133020330341 has 2 divisors, whose sum is σ = 21133020330342. Its totient is φ = 21133020330340.

The previous prime is 21133020330319. The next prime is 21133020330349. The reversal of 21133020330341 is 14303302033112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17799032832100 + 3333987498241 = 4218890^2 + 1825921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21133020330341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21133020330341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21133020330349) 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, 10566510165170 + 10566510165171.

It is an arithmetic number, because the mean of its divisors is an integer number (10566510165171).

Almost surely, 2^{21133020330341} is an apocalyptic number.

It is an amenable number.

21133020330341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133020330341 is an equidigital number, since it uses as much as digits as its factorization.

21133020330341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21133020330341 its reverse (14303302033112), we get a palindrome (35436322363453).

The spelling of 21133020330341 in words is "twenty-one trillion, one hundred thirty-three billion, twenty million, three hundred thirty thousand, three hundred forty-one".