330303002021221 has 8 divisors (see below), whose sum is σ = 333345004567704. Its totient is φ = 327263086617600.

The previous prime is 330303002021197. The next prime is 330303002021257. The reversal of 330303002021221 is 122120200303033.

It can be written as a sum of positive squares in 4 ways, for example, as 975383388225 + 329327618632996 = 987615^2 + 18147386^2 .

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 330303002021221 - 2⁷ = 330303002021093 is a prime.

It is a super-2 number, since 2×330303002021221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330303002021192 and 330303002021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330303002021521) 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, 521467746 + ... + 522100771.

It is an arithmetic number, because the mean of its divisors is an integer number (41668125570963).

Almost surely, 2^{330303002021221} is an apocalyptic number.

It is an amenable number.

330303002021221 is a deficient number, since it is larger than the sum of its proper divisors (3042002546483).

330303002021221 is a wasteful number, since it uses less digits than its factorization.

330303002021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043571431.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 330303002021221 its reverse (122120200303033), we get a palindrome (452423202324254).

The spelling of 330303002021221 in words is "three hundred thirty trillion, three hundred three billion, two million, twenty-one thousand, two hundred twenty-one".