330310001221 has 8 divisors (see below), whose sum is σ = 333091037664. Its totient is φ = 327532898160.

The previous prime is 330310001183. The next prime is 330310001237. The reversal of 330310001221 is 122100013033.

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 330310001221 - 2⁷ = 330310001093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330310001195 and 330310001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330310301221) 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, 814566 + ... + 1150711.

It is an arithmetic number, because the mean of its divisors is an integer number (41636379708).

Almost surely, 2^330310001221 is an apocalyptic number.

It is an amenable number.

330310001221 is a deficient number, since it is larger than the sum of its proper divisors (2781036443).

330310001221 is a wasteful number, since it uses less digits than its factorization.

330310001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966691.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 330310001221 its reverse (122100013033), we get a palindrome (452410014254).

The spelling of 330310001221 in words is "three hundred thirty billion, three hundred ten million, one thousand, two hundred twenty-one".