330013210021 has 6 divisors (see below), whose sum is σ = 362741792966. Its totient is φ = 300012009000.

The previous prime is 330013210019. The next prime is 330013210103. The reversal of 330013210021 is 120012310033.

It can be written as a sum of positive squares in only one way, i.e., 226348529121 + 103664680900 = 475761^2 + 321970^2 .

It is not a de Polignac number, because 330013210021 - 2¹ = 330013210019 is a prime.

It is a super-4 number, since 4×330013210021⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330013209977 and 330013210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330013213021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1363690830 + ... + 1363691071.

Almost surely, 2^330013210021 is an apocalyptic number.

It is an amenable number.

330013210021 is a deficient number, since it is larger than the sum of its proper divisors (32728582945).

330013210021 is a wasteful number, since it uses less digits than its factorization.

330013210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727381923 (or 2727381912 counting only the distinct ones).

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

Adding to 330013210021 its reverse (120012310033), we get a palindrome (450025520054).

The spelling of 330013210021 in words is "three hundred thirty billion, thirteen million, two hundred ten thousand, twenty-one".