211300071 has 8 divisors (see below), whose sum is σ = 284469120. Its totient is φ = 139498872.

The previous prime is 211300051. The next prime is 211300079. The reversal of 211300071 is 170003112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211300071 - 2⁹ = 211299559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211300071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211300079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341601 + ... + 342218.

It is an arithmetic number, because the mean of its divisors is an integer number (35558640).

Almost surely, 2^211300071 is an apocalyptic number.

211300071 is a deficient number, since it is larger than the sum of its proper divisors (73169049).

211300071 is a wasteful number, since it uses less digits than its factorization.

211300071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683925.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 211300071 is about 14536.1642464579. The cubic root of 211300071 is about 595.6162633127.

Adding to 211300071 its reverse (170003112), we get a palindrome (381303183).

The spelling of 211300071 in words is "two hundred eleven million, three hundred thousand, seventy-one".