10118191 has 2 divisors, whose sum is σ = 10118192. Its totient is φ = 10118190.

The previous prime is 10118189. The next prime is 10118197. The reversal of 10118191 is 19181101.

10118191 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 10118191 - 2¹ = 10118189 is a prime.

It is a super-2 number, since 2×10118191² = 204755578224962, which contains 22 as substring.

Together with 10118189, 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 (10118197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5059095 + 5059096.

It is an arithmetic number, because the mean of its divisors is an integer number (5059096).

Almost surely, 2^10118191 is an apocalyptic number.

10118191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10118191 is an equidigital number, since it uses as much as digits as its factorization.

10118191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The square root of 10118191 is about 3180.9104042711. The cubic root of 10118191 is about 216.2889294745.

Adding to 10118191 its reverse (19181101), we get a palindrome (29299292).

The spelling of 10118191 in words is "ten million, one hundred eighteen thousand, one hundred ninety-one".