211343400214 has 4 divisors (see below), whose sum is σ = 317015100324. Its totient is φ = 105671700106.

The previous prime is 211343400181. The next prime is 211343400251. The reversal of 211343400214 is 412004343112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 52835850052 + ... + 52835850055.

It is an arithmetic number, because the mean of its divisors is an integer number (79253775081).

Almost surely, 2^211343400214 is an apocalyptic number.

211343400214 is a deficient number, since it is larger than the sum of its proper divisors (105671700110).

211343400214 is a wasteful number, since it uses less digits than its factorization.

211343400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105671700109.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211343400214 its reverse (412004343112), we get a palindrome (623347743326).

The spelling of 211343400214 in words is "two hundred eleven billion, three hundred forty-three million, four hundred thousand, two hundred fourteen".