331220301321121 has 8 divisors (see below), whose sum is σ = 331242170051520. Its totient is φ = 331198433374608.

The previous prime is 331220301321089. The next prime is 331220301321191. The reversal of 331220301321121 is 121123103022133.

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

It is a cyclic number.

It is not a de Polignac number, because 331220301321121 - 2⁵ = 331220301321089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331220301321191) 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, 1008334735 + ... + 1008663163.

It is an arithmetic number, because the mean of its divisors is an integer number (41405271256440).

Almost surely, 2^{331220301321121} is an apocalyptic number.

It is an amenable number.

331220301321121 is a deficient number, since it is larger than the sum of its proper divisors (21868730399).

331220301321121 is a wasteful number, since it uses less digits than its factorization.

331220301321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391943.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331220301321121 its reverse (121123103022133), we get a palindrome (452343404343254).

The spelling of 331220301321121 in words is "three hundred thirty-one trillion, two hundred twenty billion, three hundred one million, three hundred twenty-one thousand, one hundred twenty-one".