211010212011943 has 2 divisors, whose sum is σ = 211010212011944. Its totient is φ = 211010212011942.

The previous prime is 211010212011941. The next prime is 211010212012031. The reversal of 211010212011943 is 349110212010112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211010212011943 - 2¹ = 211010212011941 is a prime.

Together with 211010212011941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211010212011941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505106005971 + 105505106005972.

It is an arithmetic number, because the mean of its divisors is an integer number (105505106005972).

Almost surely, 2^{211010212011943} is an apocalyptic number.

211010212011943 is a deficient number, since it is larger than the sum of its proper divisors (1).

211010212011943 is an equidigital number, since it uses as much as digits as its factorization.

211010212011943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 211010212011943 in words is "two hundred eleven trillion, ten billion, two hundred twelve million, eleven thousand, nine hundred forty-three".