330313221111221 has 4 divisors (see below), whose sum is σ = 332500725886944. Its totient is φ = 328125716335500.

The previous prime is 330313221111169. The next prime is 330313221111233. The reversal of 330313221111221 is 122111122313033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 330313221111221 - 2³⁸ = 330038343204277 is a prime.

It is a super-2 number, since 2×330313221111221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330313221111241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093752387635 + ... + 1093752387936.

It is an arithmetic number, because the mean of its divisors is an integer number (83125181471736).

Almost surely, 2^{330313221111221} is an apocalyptic number.

It is an amenable number.

330313221111221 is a deficient number, since it is larger than the sum of its proper divisors (2187504775723).

330313221111221 is a wasteful number, since it uses less digits than its factorization.

330313221111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187504775722.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 330313221111221 its reverse (122111122313033), we get a palindrome (452424343424254).

The spelling of 330313221111221 in words is "three hundred thirty trillion, three hundred thirteen billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-one".