2111011340443 has 2 divisors, whose sum is σ = 2111011340444. Its totient is φ = 2111011340442.

The previous prime is 2111011340429. The next prime is 2111011340479. The reversal of 2111011340443 is 3440431101112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111011340443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111011346443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055505670221 + 1055505670222.

It is an arithmetic number, because the mean of its divisors is an integer number (1055505670222).

Almost surely, 2^{2111011340443} is an apocalyptic number.

2111011340443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111011340443 is an equidigital number, since it uses as much as digits as its factorization.

2111011340443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 2111011340443 its reverse (3440431101112), we get a palindrome (5551442441555).

The spelling of 2111011340443 in words is "two trillion, one hundred eleven billion, eleven million, three hundred forty thousand, four hundred forty-three".