211211314214 has 32 divisors (see below), whose sum is σ = 342045745920. Its totient is φ = 97515345312.

The previous prime is 211211314159. The next prime is 211211314267. The reversal of 211211314214 is 412413112112.

It is a super-2 number, since 2×211211314214² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 211211314214.

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 in 15 ways as a sum of consecutive naturals, for example, 16058789 + ... + 16071935.

It is an arithmetic number, because the mean of its divisors is an integer number (10688929560).

Almost surely, 2^211211314214 is an apocalyptic number.

211211314214 is a deficient number, since it is larger than the sum of its proper divisors (130834431706).

211211314214 is a wasteful number, since it uses less digits than its factorization.

211211314214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25244.

The product of its digits is 384, while the sum is 23.

Adding to 211211314214 its reverse (412413112112), we get a palindrome (623624426326).

The spelling of 211211314214 in words is "two hundred eleven billion, two hundred eleven million, three hundred fourteen thousand, two hundred fourteen".