200021100000001 has 8 divisors (see below), whose sum is σ = 228596059790784. Its totient is φ = 171446269442640.

The previous prime is 200021099999977. The next prime is 200021100000019. The reversal of 200021100000001 is 100000001120002.

200021100000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200021100000001 - 2⁴¹ = 197822076744449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a self number, because there is not a number n which added to its sum of digits gives 200021100000001.

It is not an unprimeable number, because it can be changed into a prime (200021100000031) 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, 28968730 + ... + 35202691.

It is an arithmetic number, because the mean of its divisors is an integer number (28574507473848).

Almost surely, 2^{200021100000001} is an apocalyptic number.

It is an amenable number.

200021100000001 is a deficient number, since it is larger than the sum of its proper divisors (28574959790783).

200021100000001 is an equidigital number, since it uses as much as digits as its factorization.

200021100000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64616711.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 200021100000001 its reverse (100000001120002), we get a palindrome (300021101120003).

The spelling of 200021100000001 in words is "two hundred trillion, twenty-one billion, one hundred million, one", and thus it is an aban number.