211662071143 has 2 divisors, whose sum is σ = 211662071144. Its totient is φ = 211662071142.

The previous prime is 211662071123. The next prime is 211662071147. The reversal of 211662071143 is 341170266112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211662071143 - 2³⁷ = 74223117671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211662071099 and 211662071108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211662071147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105831035571 + 105831035572.

It is an arithmetic number, because the mean of its divisors is an integer number (105831035572).

Almost surely, 2^211662071143 is an apocalyptic number.

211662071143 is a deficient number, since it is larger than the sum of its proper divisors (1).

211662071143 is an equidigital number, since it uses as much as digits as its factorization.

211662071143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 211662071143 in words is "two hundred eleven billion, six hundred sixty-two million, seventy-one thousand, one hundred forty-three".