330030312101221 has 4 divisors (see below), whose sum is σ = 330030560591200. Its totient is φ = 330030063611244.

The previous prime is 330030312101173. The next prime is 330030312101261. The reversal of 330030312101221 is 122101213030033.

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 330030312101221 - 2¹³ = 330030312093029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330030312101192 and 330030312101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330030312101261) 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, 122242011 + ... + 124912648.

It is an arithmetic number, because the mean of its divisors is an integer number (82507640147800).

Almost surely, 2^{330030312101221} is an apocalyptic number.

It is an amenable number.

330030312101221 is a deficient number, since it is larger than the sum of its proper divisors (248489979).

330030312101221 is a wasteful number, since it uses less digits than its factorization.

330030312101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248489978.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 330030312101221 its reverse (122101213030033), we get a palindrome (452131525131254).

The spelling of 330030312101221 in words is "three hundred thirty trillion, thirty billion, three hundred twelve million, one hundred one thousand, two hundred twenty-one".