330402534122221 has 16 divisors (see below), whose sum is σ = 360568965267648. Its totient is φ = 300257762089600.

The previous prime is 330402534122153. The next prime is 330402534122251. The reversal of 330402534122221 is 122221435204033.

It is a cyclic number.

It is not a de Polignac number, because 330402534122221 - 2²⁹ = 330401997251309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330402534122251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340706451 + ... + 341674831.

It is an arithmetic number, because the mean of its divisors is an integer number (22535560329228).

Almost surely, 2^{330402534122221} is an apocalyptic number.

It is an amenable number.

330402534122221 is a deficient number, since it is larger than the sum of its proper divisors (30166431145427).

330402534122221 is a wasteful number, since it uses less digits than its factorization.

330402534122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979532.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 330402534122221 its reverse (122221435204033), we get a palindrome (452623969326254).

The spelling of 330402534122221 in words is "three hundred thirty trillion, four hundred two billion, five hundred thirty-four million, one hundred twenty-two thousand, two hundred twenty-one".