331221112311211 has 8 divisors (see below), whose sum is σ = 339832572134000. Its totient is φ = 322650954454752.

The previous prime is 331221112311197. The next prime is 331221112311233. The reversal of 331221112311211 is 112113211122133.

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 331221112311211 - 2⁷ = 331221112311083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331221112311311) 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, 10325475336 + ... + 10325507413.

It is an arithmetic number, because the mean of its divisors is an integer number (42479071516750).

Almost surely, 2^{331221112311211} is an apocalyptic number.

331221112311211 is a deficient number, since it is larger than the sum of its proper divisors (8611459822789).

331221112311211 is a wasteful number, since it uses less digits than its factorization.

331221112311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20650983165.

The product of its digits is 432, while the sum is 25.

Adding to 331221112311211 its reverse (112113211122133), we get a palindrome (443334323433344).

The spelling of 331221112311211 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, one hundred twelve million, three hundred eleven thousand, two hundred eleven".