330221242121989 has 2 divisors, whose sum is σ = 330221242121990. Its totient is φ = 330221242121988.

The previous prime is 330221242121929. The next prime is 330221242122139. The reversal of 330221242121989 is 989121242122033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302400448812225 + 27820793309764 = 17389665^2 + 5274542^2 .

It is an emirp because it is prime and its reverse (989121242122033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330221242121989 - 2¹³ = 330221242113797 is a prime.

It is a super-2 number, since 2×330221242121989² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330221242121909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165110621060994 + 165110621060995.

It is an arithmetic number, because the mean of its divisors is an integer number (165110621060995).

Almost surely, 2^{330221242121989} is an apocalyptic number.

It is an amenable number.

330221242121989 is a deficient number, since it is larger than the sum of its proper divisors (1).

330221242121989 is an equidigital number, since it uses as much as digits as its factorization.

330221242121989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 330221242121989 in words is "three hundred thirty trillion, two hundred twenty-one billion, two hundred forty-two million, one hundred twenty-one thousand, nine hundred eighty-nine".