4102111243 has 2 divisors, whose sum is σ = 4102111244. Its totient is φ = 4102111242.

The previous prime is 4102111207. The next prime is 4102111297. The reversal of 4102111243 is 3421112014.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4102111243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4102111243.

It is not a weakly prime, because it can be changed into another prime (4102111043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051055621 + 2051055622.

It is an arithmetic number, because the mean of its divisors is an integer number (2051055622).

Almost surely, 2^4102111243 is an apocalyptic number.

4102111243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102111243 is an equidigital number, since it uses as much as digits as its factorization.

4102111243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4102111243 is about 64047.7262906342. The cubic root of 4102111243 is about 1600.7953393472.

Adding to 4102111243 its reverse (3421112014), we get a palindrome (7523223257).

The spelling of 4102111243 in words is "four billion, one hundred two million, one hundred eleven thousand, two hundred forty-three".