330241212121221 has 24 divisors (see below), whose sum is σ = 493115262132480. Its totient is φ = 212750512329600.

The previous prime is 330241212121199. The next prime is 330241212121273. The reversal of 330241212121221 is 122121212142033.

330241212121221 is a `hidden beast` number, since 3 + 3 + 0 + 2 + 412 + 1 + 2 + 1 + 21 + 221 = 666.

It is not a de Polignac number, because 330241212121221 - 2⁹ = 330241212120709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330241212121291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 856290756 + ... + 856676333.

It is an arithmetic number, because the mean of its divisors is an integer number (20546469255520).

Almost surely, 2^{330241212121221} is an apocalyptic number.

330241212121221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

330241212121221 is a deficient number, since it is larger than the sum of its proper divisors (162874050011259).

330241212121221 is a wasteful number, since it uses less digits than its factorization.

330241212121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712967817 (or 1712967814 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 330241212121221 its reverse (122121212142033), we get a palindrome (452362424263254).

The spelling of 330241212121221 in words is "three hundred thirty trillion, two hundred forty-one billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-one".