330231200100021 has 36 divisors (see below), whose sum is σ = 526199272831596. Its totient is φ = 199417593576960.

The previous prime is 330231200099959. The next prime is 330231200100047. The reversal of 330231200100021 is 120001002132033.

330231200100021 is a `hidden beast` number, since 330 + 2 + 31 + 200 + 100 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32538068766225 + 297693131333796 = 5704215^2 + 17253786^2 .

It is not a de Polignac number, because 330231200100021 - 2²¹ = 330231198002869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330231200099967 and 330231200100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330231200100071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 547067676 + ... + 547670981.

Almost surely, 2^{330231200100021} is an apocalyptic number.

It is an amenable number.

330231200100021 is a deficient number, since it is larger than the sum of its proper divisors (195968072731575).

330231200100021 is a wasteful number, since it uses less digits than its factorization.

330231200100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094738962 (or 1094738948 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 330231200100021 its reverse (120001002132033), we get a palindrome (450232202232054).

The spelling of 330231200100021 in words is "three hundred thirty trillion, two hundred thirty-one billion, two hundred million, one hundred thousand, twenty-one".