211243150 has 24 divisors (see below), whose sum is σ = 393512760. Its totient is φ = 84368160.

The previous prime is 211243147. The next prime is 211243157. The reversal of 211243150 is 51342112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211243157) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 34092 + ... + 39808.

It is an arithmetic number, because the mean of its divisors is an integer number (16396365).

Almost surely, 2^211243150 is an apocalyptic number.

211243150 is a deficient number, since it is larger than the sum of its proper divisors (182269610).

211243150 is a wasteful number, since it uses less digits than its factorization.

211243150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 211243150 is about 14534.2062046745. The cubic root of 211243150 is about 595.5627752125.

Adding to 211243150 its reverse (51342112), we get a palindrome (262585262).

The spelling of 211243150 in words is "two hundred eleven million, two hundred forty-three thousand, one hundred fifty".