2111120211143 has 2 divisors, whose sum is σ = 2111120211144. Its totient is φ = 2111120211142.

The previous prime is 2111120211043. The next prime is 2111120211181. The reversal of 2111120211143 is 3411120211112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111120211143 - 2⁸ = 2111120210887 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 (2111120211043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055560105571 + 1055560105572.

It is an arithmetic number, because the mean of its divisors is an integer number (1055560105572).

Almost surely, 2^{2111120211143} is an apocalyptic number.

2111120211143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111120211143 is an equidigital number, since it uses as much as digits as its factorization.

2111120211143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 2111120211143 its reverse (3411120211112), we get a palindrome (5522240422255).

The spelling of 2111120211143 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred eleven thousand, one hundred forty-three".