2111120211043 has 2 divisors, whose sum is σ = 2111120211044. Its totient is φ = 2111120211042.

The previous prime is 2111120211041. The next prime is 2111120211143. The reversal of 2111120211043 is 3401120211112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111120211043 - 2¹ = 2111120211041 is a prime.

Together with 2111120211041, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2111120211043.

It is not a weakly prime, because it can be changed into another prime (2111120211041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055560105521 + 1055560105522.

It is an arithmetic number, because the mean of its divisors is an integer number (1055560105522).

Almost surely, 2^{2111120211043} is an apocalyptic number.

2111120211043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111120211043 is an equidigital number, since it uses as much as digits as its factorization.

2111120211043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2111120211043 its reverse (3401120211112), we get a palindrome (5512240422155).

The spelling of 2111120211043 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred eleven thousand, forty-three".