211321268 has 24 divisors (see below), whose sum is σ = 389743200. Its totient is φ = 99979488.

The previous prime is 211321261. The next prime is 211321291. The reversal of 211321268 is 862123112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211321261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122798 + ... + 124506.

It is an arithmetic number, because the mean of its divisors is an integer number (16239300).

Almost surely, 2^211321268 is an apocalyptic number.

It is an amenable number.

211321268 is a deficient number, since it is larger than the sum of its proper divisors (178421932).

211321268 is a wasteful number, since it uses less digits than its factorization.

211321268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359 (or 3357 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 211321268 is about 14536.8933407382. The cubic root of 211321268 is about 595.6361794691.

The spelling of 211321268 in words is "two hundred eleven million, three hundred twenty-one thousand, two hundred sixty-eight".