200021021100001 has 8 divisors (see below), whose sum is σ = 204525602146944. Its totient is φ = 195526807329840.

The previous prime is 200021021099959. The next prime is 200021021100031. The reversal of 200021021100001 is 100001120120002.

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 200021021100001 - 2¹⁹ = 200021020575713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021021100031) 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, 2591780175 + ... + 2591857348.

It is an arithmetic number, because the mean of its divisors is an integer number (25565700268368).

Almost surely, 2^{200021021100001} is an apocalyptic number.

It is an amenable number.

200021021100001 is a deficient number, since it is larger than the sum of its proper divisors (4504581046943).

200021021100001 is an equidigital number, since it uses as much as digits as its factorization.

200021021100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183638391.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200021021100001 its reverse (100001120120002), we get a palindrome (300022141220003).

The spelling of 200021021100001 in words is "two hundred trillion, twenty-one billion, twenty-one million, one hundred thousand, one".