2001114191 has 2 divisors, whose sum is σ = 2001114192. Its totient is φ = 2001114190.

The previous prime is 2001114133. The next prime is 2001114221. The reversal of 2001114191 is 1914111002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001114191 - 2⁶ = 2001114127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001114491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000557095 + 1000557096.

It is an arithmetic number, because the mean of its divisors is an integer number (1000557096).

Almost surely, 2^2001114191 is an apocalyptic number.

2001114191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001114191 is an equidigital number, since it uses as much as digits as its factorization.

2001114191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 2001114191 is about 44733.8148496191. The cubic root of 2001114191 is about 1260.1549719104.

Adding to 2001114191 its reverse (1914111002), we get a palindrome (3915225193).

The spelling of 2001114191 in words is "two billion, one million, one hundred fourteen thousand, one hundred ninety-one".