201011111110247 has 2 divisors, whose sum is σ = 201011111110248. Its totient is φ = 201011111110246.

The previous prime is 201011111110217. The next prime is 201011111110309. The reversal of 201011111110247 is 742011111110102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201011111110247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201011111110217) 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, 100505555555123 + 100505555555124.

It is an arithmetic number, because the mean of its divisors is an integer number (100505555555124).

Almost surely, 2^{201011111110247} is an apocalyptic number.

201011111110247 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011111110247 is an equidigital number, since it uses as much as digits as its factorization.

201011111110247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 201011111110247 its reverse (742011111110102), we get a palindrome (943022222220349).

The spelling of 201011111110247 in words is "two hundred one trillion, eleven billion, one hundred eleven million, one hundred ten thousand, two hundred forty-seven".