2112144200191 has 2 divisors, whose sum is σ = 2112144200192. Its totient is φ = 2112144200190.

The previous prime is 2112144200189. The next prime is 2112144200233. The reversal of 2112144200191 is 1910024412112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112144200191 - 2¹ = 2112144200189 is a prime.

It is a super-2 number, since 2×2112144200191² (a number of 25 digits) contains 22 as substring.

Together with 2112144200189, 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 (2112144200291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056072100095 + 1056072100096.

It is an arithmetic number, because the mean of its divisors is an integer number (1056072100096).

Almost surely, 2^{2112144200191} is an apocalyptic number.

2112144200191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112144200191 is an equidigital number, since it uses as much as digits as its factorization.

2112144200191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 2112144200191 in words is "two trillion, one hundred twelve billion, one hundred forty-four million, two hundred thousand, one hundred ninety-one".