103112100191 has 2 divisors, whose sum is σ = 103112100192. Its totient is φ = 103112100190.

The previous prime is 103112100163. The next prime is 103112100209. The reversal of 103112100191 is 191001211301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103112100191 - 2⁶ = 103112100127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103112100491) 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, 51556050095 + 51556050096.

It is an arithmetic number, because the mean of its divisors is an integer number (51556050096).

Almost surely, 2^103112100191 is an apocalyptic number.

103112100191 is a deficient number, since it is larger than the sum of its proper divisors (1).

103112100191 is an equidigital number, since it uses as much as digits as its factorization.

103112100191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 103112100191 its reverse (191001211301), we get a palindrome (294113311492).

The spelling of 103112100191 in words is "one hundred three billion, one hundred twelve million, one hundred thousand, one hundred ninety-one".