200001111100101 has 8 divisors (see below), whose sum is σ = 296297942370560. Its totient is φ = 133334074066716.

The previous prime is 200001111100081. The next prime is 200001111100127. The reversal of 200001111100101 is 101001111100002.

It is not a de Polignac number, because 200001111100101 - 2¹⁵ = 200001111067333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001111100181) 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, 3703724279605 + ... + 3703724279658.

It is an arithmetic number, because the mean of its divisors is an integer number (37037242796320).

Almost surely, 2^{200001111100101} is an apocalyptic number.

It is an amenable number.

200001111100101 is a deficient number, since it is larger than the sum of its proper divisors (96296831270459).

200001111100101 is an equidigital number, since it uses as much as digits as its factorization.

200001111100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407448559272 (or 7407448559266 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 200001111100101 its reverse (101001111100002), we get a palindrome (301002222200103).

Subtracting from 200001111100101 its reverse (101001111100002), we obtain a palindrome (99000000000099).

The spelling of 200001111100101 in words is "two hundred trillion, one billion, one hundred eleven million, one hundred thousand, one hundred one".