211243240214 has 16 divisors (see below), whose sum is σ = 320960140800. Its totient is φ = 104257229544.

The previous prime is 211243240177. The next prime is 211243240223. The reversal of 211243240214 is 412042342112.

It is a super-2 number, since 2×211243240214² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434057 + ... + 781595.

It is an arithmetic number, because the mean of its divisors is an integer number (20060008800).

Almost surely, 2^211243240214 is an apocalyptic number.

211243240214 is a deficient number, since it is larger than the sum of its proper divisors (109716900586).

211243240214 is a wasteful number, since it uses less digits than its factorization.

211243240214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351467.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211243240214 its reverse (412042342112), we get a palindrome (623285582326).

The spelling of 211243240214 in words is "two hundred eleven billion, two hundred forty-three million, two hundred forty thousand, two hundred fourteen".