3321330121 has 2 divisors, whose sum is σ = 3321330122. Its totient is φ = 3321330120.

The previous prime is 3321330101. The next prime is 3321330139. The reversal of 3321330121 is 1210331233.

3321330121 = T₄₇₀₅₄ + T₄₇₀₅₅ + T₄₇₀₅₆.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2631690000 + 689640121 = 51300^2 + 26261^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321330121 - 2⁷ = 3321329993 is a prime.

It is a super-2 number, since 2×3321330121² = 22062467545323749282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321330101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660665060 + 1660665061.

It is an arithmetic number, because the mean of its divisors is an integer number (1660665061).

Almost surely, 2^3321330121 is an apocalyptic number.

3321330121 is the 47056-th centered triangular number.

It is an amenable number.

3321330121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321330121 is an equidigital number, since it uses as much as digits as its factorization.

3321330121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3321330121 is about 57630.9823011893. The cubic root of 3321330121 is about 1492.0063838862.

Adding to 3321330121 its reverse (1210331233), we get a palindrome (4531661354).

The spelling of 3321330121 in words is "three billion, three hundred twenty-one million, three hundred thirty thousand, one hundred twenty-one".