3321202202161 has 2 divisors, whose sum is σ = 3321202202162. Its totient is φ = 3321202202160.

The previous prime is 3321202202113. The next prime is 3321202202177. The reversal of 3321202202161 is 1612022021233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256962377761 + 1064239824400 = 1502319^2 + 1031620^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321202202161 - 2⁹ = 3321202201649 is a prime.

It is a super-2 number, since 2×3321202202161² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3328202202161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660601101080 + 1660601101081.

It is an arithmetic number, because the mean of its divisors is an integer number (1660601101081).

Almost surely, 2^{3321202202161} is an apocalyptic number.

It is an amenable number.

3321202202161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321202202161 is an equidigital number, since it uses as much as digits as its factorization.

3321202202161 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.

Adding to 3321202202161 its reverse (1612022021233), we get a palindrome (4933224223394).

The spelling of 3321202202161 in words is "three trillion, three hundred twenty-one billion, two hundred two million, two hundred two thousand, one hundred sixty-one".