211244132 has 24 divisors (see below), whose sum is σ = 411868800. Its totient is φ = 93976160.

The previous prime is 211244129. The next prime is 211244153. The reversal of 211244132 is 231442112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49007 + ... + 53142.

It is an arithmetic number, because the mean of its divisors is an integer number (17161200).

Almost surely, 2^211244132 is an apocalyptic number.

211244132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211244132 is a deficient number, since it is larger than the sum of its proper divisors (200624668).

211244132 is a wasteful number, since it uses less digits than its factorization.

211244132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102211 (or 102209 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 211244132 is about 14534.2399870100. The cubic root of 211244132 is about 595.5636980696.

Adding to 211244132 its reverse (231442112), we get a palindrome (442686244).

The spelling of 211244132 in words is "two hundred eleven million, two hundred forty-four thousand, one hundred thirty-two".