211662202214 has 32 divisors (see below), whose sum is σ = 335757502080. Its totient is φ = 99795877632.

The previous prime is 211662202117. The next prime is 211662202229. The reversal of 211662202214 is 412202266112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7538069 + ... + 7566095.

It is an arithmetic number, because the mean of its divisors is an integer number (10492421940).

Almost surely, 2^211662202214 is an apocalyptic number.

211662202214 is a deficient number, since it is larger than the sum of its proper divisors (124095299866).

211662202214 is a wasteful number, since it uses less digits than its factorization.

211662202214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28964.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 211662202214 its reverse (412202266112), we get a palindrome (623864468326).

The spelling of 211662202214 in words is "two hundred eleven billion, six hundred sixty-two million, two hundred two thousand, two hundred fourteen".