211051505214 has 48 divisors (see below), whose sum is σ = 498892109040. Its totient is φ = 63949476480.

The previous prime is 211051505173. The next prime is 211051505237. The reversal of 211051505214 is 412505150112.

It is a happy number.

211051505214 is a `hidden beast` number, since 21 + 105 + 15 + 0 + 521 + 4 = 666.

211051505214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2648992 + ... + 2727500.

It is an arithmetic number, because the mean of its divisors is an integer number (10393585605).

Almost surely, 2^211051505214 is an apocalyptic number.

211051505214 is an abundant number, since it is smaller than the sum of its proper divisors (287840603826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211051505214 is a wasteful number, since it uses less digits than its factorization.

211051505214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92105 (or 92102 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 211051505214 its reverse (412505150112), we get a palindrome (623556655326).

The spelling of 211051505214 in words is "two hundred eleven billion, fifty-one million, five hundred five thousand, two hundred fourteen".