201151001111 has 2 divisors, whose sum is σ = 201151001112. Its totient is φ = 201151001110.

The previous prime is 201151001099. The next prime is 201151001113. The reversal of 201151001111 is 111100151102.

201151001111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201151001111 - 2⁶ = 201151001047 is a prime.

Together with 201151001113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201151001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100575500555 + 100575500556.

It is an arithmetic number, because the mean of its divisors is an integer number (100575500556).

Almost surely, 2^201151001111 is an apocalyptic number.

201151001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201151001111 is an equidigital number, since it uses as much as digits as its factorization.

201151001111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 14.

Adding to 201151001111 its reverse (111100151102), we get a palindrome (312251152213).

The spelling of 201151001111 in words is "two hundred one billion, one hundred fifty-one million, one thousand, one hundred eleven".