332001332021 has 4 divisors (see below), whose sum is σ = 332018282700. Its totient is φ = 331984381344.

The previous prime is 332001332017. The next prime is 332001332051. The reversal of 332001332021 is 120233100233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167845896100 + 164155435921 = 409690^2 + 405161^2 .

It is a cyclic number.

It is not a de Polignac number, because 332001332021 - 2² = 332001332017 is a prime.

It is a super-2 number, since 2×332001332021² (a number of 24 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 = 332001331984 and 332001332002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332001332011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8445926 + ... + 8485143.

It is an arithmetic number, because the mean of its divisors is an integer number (83004570675).

Almost surely, 2^332001332021 is an apocalyptic number.

It is an amenable number.

332001332021 is a deficient number, since it is larger than the sum of its proper divisors (16950679).

332001332021 is a wasteful number, since it uses less digits than its factorization.

332001332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16950678.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 332001332021 its reverse (120233100233), we get a palindrome (452234432254).

The spelling of 332001332021 in words is "three hundred thirty-two billion, one million, three hundred thirty-two thousand, twenty-one".