3220121030993 has 2 divisors, whose sum is σ = 3220121030994. Its totient is φ = 3220121030992.

The previous prime is 3220121030957. The next prime is 3220121031091. The reversal of 3220121030993 is 3990301210223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2948834225089 + 271286805904 = 1717217^2 + 520852^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220121030993 - 2¹⁰ = 3220121029969 is a prime.

It is not a weakly prime, because it can be changed into another prime (3220121030953) 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, 1610060515496 + 1610060515497.

It is an arithmetic number, because the mean of its divisors is an integer number (1610060515497).

Almost surely, 2^{3220121030993} is an apocalyptic number.

It is an amenable number.

3220121030993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220121030993 is an equidigital number, since it uses as much as digits as its factorization.

3220121030993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 3220121030993 in words is "three trillion, two hundred twenty billion, one hundred twenty-one million, thirty thousand, nine hundred ninety-three".