211120671 has 16 divisors (see below), whose sum is σ = 298695168. Its totient is φ = 132182400.

The previous prime is 211120643. The next prime is 211120681. The reversal of 211120671 is 176021112.

It is a happy number.

It is not a de Polignac number, because 211120671 - 2¹⁴ = 211104287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20826 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (18668448).

Almost surely, 2^211120671 is an apocalyptic number.

211120671 is a deficient number, since it is larger than the sum of its proper divisors (87574497).

211120671 is a wasteful number, since it uses less digits than its factorization.

211120671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 211120671 is about 14529.9921197501. The cubic root of 211120671 is about 595.4476503191.

Adding to 211120671 its reverse (176021112), we get a palindrome (387141783).

The spelling of 211120671 in words is "two hundred eleven million, one hundred twenty thousand, six hundred seventy-one".