200001000100101 has 4 divisors (see below), whose sum is σ = 266668000133472. Its totient is φ = 133334000066732.

The previous prime is 200001000100049. The next prime is 200001000100103. The reversal of 200001000100101 is 101001000100002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200001000100101 - 2⁶ = 200001000100037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200001000100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001000100103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33333500016681 + ... + 33333500016686.

It is an arithmetic number, because the mean of its divisors is an integer number (66667000033368).

Almost surely, 2^{200001000100101} is an apocalyptic number.

It is an amenable number.

200001000100101 is a deficient number, since it is larger than the sum of its proper divisors (66667000033371).

200001000100101 is an equidigital number, since it uses as much as digits as its factorization.

200001000100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66667000033370.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 200001000100101 its reverse (101001000100002), we get a palindrome (301002000200103).

Subtracting from 200001000100101 its reverse (101001000100002), we obtain a palindrome (99000000000099).

The spelling of 200001000100101 in words is "two hundred trillion, one billion, one hundred thousand, one hundred one".