200021322321 has 20 divisors (see below), whose sum is σ = 298873924272. Its totient is φ = 133313345208.

The previous prime is 200021322307. The next prime is 200021322377. The reversal of 200021322321 is 123223120002.

200021322321 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 21 + 322 + 321 = 666.

It is not a de Polignac number, because 200021322321 - 2²⁶ = 199954213457 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200021322294 and 200021322303.

It is not an unprimeable number, because it can be changed into a prime (200021322301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3030 + ... + 632496.

Almost surely, 2^200021322321 is an apocalyptic number.

It is an amenable number.

200021322321 is a deficient number, since it is larger than the sum of its proper divisors (98852601951).

200021322321 is an equidigital number, since it uses as much as digits as its factorization.

200021322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633402 (or 633393 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 200021322321 its reverse (123223120002), we get a palindrome (323244442323).

The spelling of 200021322321 in words is "two hundred billion, twenty-one million, three hundred twenty-two thousand, three hundred twenty-one".