3321200081 has 2 divisors, whose sum is σ = 3321200082. Its totient is φ = 3321200080.

The previous prime is 3321200027. The next prime is 3321200111. The reversal of 3321200081 is 1800021233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2598450625 + 722749456 = 50975^2 + 26884^2 .

It is an emirp because it is prime and its reverse (1800021233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3321200081 - 2¹⁸ = 3320937937 is a prime.

It is a super-2 number, since 2×3321200081² = 22060739956068813122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321200021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660600040 + 1660600041.

It is an arithmetic number, because the mean of its divisors is an integer number (1660600041).

Almost surely, 2^3321200081 is an apocalyptic number.

It is an amenable number.

3321200081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321200081 is an equidigital number, since it uses as much as digits as its factorization.

3321200081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3321200081 is about 57629.8540775525. The cubic root of 3321200081 is about 1491.9869114624.

The spelling of 3321200081 in words is "three billion, three hundred twenty-one million, two hundred thousand, eighty-one".