2201191 has 2 divisors, whose sum is σ = 2201192. Its totient is φ = 2201190.

The previous prime is 2201189. The next prime is 2201197. The reversal of 2201191 is 1911022.

2201191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201191 - 2¹ = 2201189 is a prime.

Together with 2201189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100595 + 1100596.

It is an arithmetic number, because the mean of its divisors is an integer number (1100596).

2^2201191 is an apocalyptic number.

2201191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201191 is an equidigital number, since it uses as much as digits as its factorization.

2201191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2201191 is about 1483.6411291144. The cubic root of 2201191 is about 130.0826102150.

It can be divided in two parts, 22011 and 91, that multiplied together give a triangular number (2003001 = T₂₀₀₁).

The spelling of 2201191 in words is "two million, two hundred one thousand, one hundred ninety-one".