33021300202081 has 2 divisors, whose sum is σ = 33021300202082. Its totient is φ = 33021300202080.

The previous prime is 33021300202019. The next prime is 33021300202277. The reversal of 33021300202081 is 18020200312033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32241273859600 + 780026342481 = 5678140^2 + 883191^2 .

It is an emirp because it is prime and its reverse (18020200312033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33021300202081 - 2¹¹ = 33021300200033 is a prime.

It is a super-2 number, since 2×33021300202081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33021300205081) 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, 16510650101040 + 16510650101041.

It is an arithmetic number, because the mean of its divisors is an integer number (16510650101041).

Almost surely, 2^{33021300202081} is an apocalyptic number.

It is an amenable number.

33021300202081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33021300202081 is an equidigital number, since it uses as much as digits as its factorization.

33021300202081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 33021300202081 in words is "thirty-three trillion, twenty-one billion, three hundred million, two hundred two thousand, eighty-one".