11100143 has 2 divisors, whose sum is σ = 11100144. Its totient is φ = 11100142.

The previous prime is 11100121. The next prime is 11100179. The reversal of 11100143 is 34100111.

It is a weak prime.

It is an emirp because it is prime and its reverse (34100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11100143 - 2⁶ = 11100079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100113) 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, 5550071 + 5550072.

It is an arithmetic number, because the mean of its divisors is an integer number (5550072).

Almost surely, 2^11100143 is an apocalyptic number.

11100143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100143 is an equidigital number, since it uses as much as digits as its factorization.

11100143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11100143 is about 3331.6877104555. The cubic root of 11100143 is about 223.0708683713.

Adding to 11100143 its reverse (34100111), we get a palindrome (45200254).

The spelling of 11100143 in words is "eleven million, one hundred thousand, one hundred forty-three".