3321000121 has 2 divisors, whose sum is σ = 3321000122. Its totient is φ = 3321000120.

The previous prime is 3321000091. The next prime is 3321000161. The reversal of 3321000121 is 1210001233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2516426896 + 804573225 = 50164^2 + 28365^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321000121 - 2⁹ = 3320999609 is a prime.

It is a super-2 number, since 2×3321000121² = 22058083607364029282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321000161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660500060 + 1660500061.

It is an arithmetic number, because the mean of its divisors is an integer number (1660500061).

Almost surely, 2^3321000121 is an apocalyptic number.

It is an amenable number.

3321000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321000121 is an equidigital number, since it uses as much as digits as its factorization.

3321000121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3321000121 is about 57628.1191867304. The cubic root of 3321000121 is about 1491.9569681003.

Adding to 3321000121 its reverse (1210001233), we get a palindrome (4531001354).

The spelling of 3321000121 in words is "three billion, three hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.