200001111111101 has 4 divisors (see below), whose sum is σ = 200244717824604. Its totient is φ = 199757504397600.

The previous prime is 200001111111083. The next prime is 200001111111107. The reversal of 200001111111101 is 101111111100002.

It is a happy number.

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 39039365926201 + 160961745184900 = 6248149^2 + 12687070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200001111111101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001111111107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121803355520 + ... + 121803357161.

It is an arithmetic number, because the mean of its divisors is an integer number (50061179456151).

Almost surely, 2^{200001111111101} is an apocalyptic number.

It is an amenable number.

200001111111101 is a deficient number, since it is larger than the sum of its proper divisors (243606713503).

200001111111101 is an equidigital number, since it uses as much as digits as its factorization.

200001111111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243606713502.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 200001111111101 its reverse (101111111100002), we get a palindrome (301112222211103).

The spelling of 200001111111101 in words is "two hundred trillion, one billion, one hundred eleven million, one hundred eleven thousand, one hundred one".