211140332 has 12 divisors (see below), whose sum is σ = 397918416. Its totient is φ = 97449360.

The previous prime is 211140233. The next prime is 211140343. The reversal of 211140332 is 233041112.

It is a self number, because there is not a number n which added to its sum of digits gives 211140332.

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 3 ways as a sum of consecutive naturals, for example, 2030144 + ... + 2030247.

It is an arithmetic number, because the mean of its divisors is an integer number (33159868).

Almost surely, 2^211140332 is an apocalyptic number.

It is an amenable number.

211140332 is a deficient number, since it is larger than the sum of its proper divisors (186778084).

211140332 is a wasteful number, since it uses less digits than its factorization.

211140332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060408 (or 4060406 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 211140332 is about 14530.6686700922. The cubic root of 211140332 is about 595.4661337972.

Adding to 211140332 its reverse (233041112), we get a palindrome (444181444).

The spelling of 211140332 in words is "two hundred eleven million, one hundred forty thousand, three hundred thirty-two".