214185381111 has 48 divisors (see below), whose sum is σ = 348726673920. Its totient is φ = 129838943520.

The previous prime is 214185381097. The next prime is 214185381127. The reversal of 214185381111 is 111183581412.

It is a happy number.

214185381111 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 8 + 538 + 1 + 111 = 666.

It is not a de Polignac number, because 214185381111 - 2⁹ = 214185380599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214185381611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44575 + ... + 656016.

It is an arithmetic number, because the mean of its divisors is an integer number (7265139040).

Almost surely, 2^214185381111 is an apocalyptic number.

214185381111 is a deficient number, since it is larger than the sum of its proper divisors (134541292809).

214185381111 is a wasteful number, since it uses less digits than its factorization.

214185381111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700693 (or 700674 counting only the distinct ones).

The product of its digits is 7680, while the sum is 36.

The spelling of 214185381111 in words is "two hundred fourteen billion, one hundred eighty-five million, three hundred eighty-one thousand, one hundred eleven".