330331213031221 has 8 divisors (see below), whose sum is σ = 331875136995200. Its totient is φ = 328788171064080.

The previous prime is 330331213031177. The next prime is 330331213031263. The reversal of 330331213031221 is 122130312133033.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 330331213031221 - 2³³ = 330322623096629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330331213031221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330331213011221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219748401 + ... + 221246518.

It is an arithmetic number, because the mean of its divisors is an integer number (41484392124400).

Almost surely, 2^{330331213031221} is an apocalyptic number.

It is an amenable number.

330331213031221 is a deficient number, since it is larger than the sum of its proper divisors (1543923963979).

330331213031221 is a wasteful number, since it uses less digits than its factorization.

330331213031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440998419.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 330331213031221 its reverse (122130312133033), we get a palindrome (452461525164254).

The spelling of 330331213031221 in words is "three hundred thirty trillion, three hundred thirty-one billion, two hundred thirteen million, thirty-one thousand, two hundred twenty-one".