331330000011221 has 8 divisors (see below), whose sum is σ = 342018299884800. Its totient is φ = 320641714847520.

The previous prime is 331330000011173. The next prime is 331330000011247. The reversal of 331330000011221 is 122110000033133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331330000011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331330000011193 and 331330000011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331330000011251) 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, 59118710 + ... + 64480088.

It is an arithmetic number, because the mean of its divisors is an integer number (42752287485600).

Almost surely, 2^{331330000011221} is an apocalyptic number.

331330000011221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

331330000011221 is a deficient number, since it is larger than the sum of its proper divisors (10688299873579).

331330000011221 is a wasteful number, since it uses less digits than its factorization.

331330000011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354939.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331330000011221 its reverse (122110000033133), we get a palindrome (453440000044354).

The spelling of 331330000011221 in words is "three hundred thirty-one trillion, three hundred thirty billion, eleven thousand, two hundred twenty-one".