2111011110671 has 2 divisors, whose sum is σ = 2111011110672. Its totient is φ = 2111011110670.

The previous prime is 2111011110653. The next prime is 2111011110673. The reversal of 2111011110671 is 1760111101112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111011110671 - 2¹⁴ = 2111011094287 is a prime.

Together with 2111011110673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111011110673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055505555335 + 1055505555336.

It is an arithmetic number, because the mean of its divisors is an integer number (1055505555336).

Almost surely, 2^{2111011110671} is an apocalyptic number.

2111011110671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111011110671 is an equidigital number, since it uses as much as digits as its factorization.

2111011110671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 23.

Adding to 2111011110671 its reverse (1760111101112), we get a palindrome (3871122211783).

The spelling of 2111011110671 in words is "two trillion, one hundred eleven billion, eleven million, one hundred ten thousand, six hundred seventy-one".