1000110012191 has 2 divisors, whose sum is σ = 1000110012192. Its totient is φ = 1000110012190.

The previous prime is 1000110012151. The next prime is 1000110012227. The reversal of 1000110012191 is 1912100110001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000110012191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000110012151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500055006095 + 500055006096.

It is an arithmetic number, because the mean of its divisors is an integer number (500055006096).

Almost surely, 2^{1000110012191} is an apocalyptic number.

1000110012191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000110012191 is an equidigital number, since it uses as much as digits as its factorization.

1000110012191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 1000110012191 its reverse (1912100110001), we get a palindrome (2912210122192).

The spelling of 1000110012191 in words is "one trillion, one hundred ten million, twelve thousand, one hundred ninety-one".