201102001100243 has 2 divisors, whose sum is σ = 201102001100244. Its totient is φ = 201102001100242.

The previous prime is 201102001100191. The next prime is 201102001100257. The reversal of 201102001100243 is 342001100201102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201102001100243 - 2¹⁸ = 201102000838099 is a prime.

It is not a weakly prime, because it can be changed into another prime (201102001100293) 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 as a sum of consecutive naturals, namely, 100551000550121 + 100551000550122.

It is an arithmetic number, because the mean of its divisors is an integer number (100551000550122).

Almost surely, 2^{201102001100243} is an apocalyptic number.

201102001100243 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102001100243 is an equidigital number, since it uses as much as digits as its factorization.

201102001100243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201102001100243 its reverse (342001100201102), we get a palindrome (543103101301345).

The spelling of 201102001100243 in words is "two hundred one trillion, one hundred two billion, one million, one hundred thousand, two hundred forty-three".