21302210330033 has 2 divisors, whose sum is σ = 21302210330034. Its totient is φ = 21302210330032.

The previous prime is 21302210329979. The next prime is 21302210330069. The reversal of 21302210330033 is 33003301220312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12932165361424 + 8370044968609 = 3596132^2 + 2893103^2 .

It is a cyclic number.

It is not a de Polignac number, because 21302210330033 - 2¹⁶ = 21302210264497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21302210329990 and 21302210330008.

It is not a weakly prime, because it can be changed into another prime (21302210332033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651105165016 + 10651105165017.

It is an arithmetic number, because the mean of its divisors is an integer number (10651105165017).

Almost surely, 2^{21302210330033} is an apocalyptic number.

It is an amenable number.

21302210330033 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302210330033 is an equidigital number, since it uses as much as digits as its factorization.

21302210330033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21302210330033 its reverse (33003301220312), we get a palindrome (54305511550345).

The spelling of 21302210330033 in words is "twenty-one trillion, three hundred two billion, two hundred ten million, three hundred thirty thousand, thirty-three".