211040112 has 20 divisors (see below), whose sum is σ = 545187080. Its totient is φ = 70346688.

The previous prime is 211040077. The next prime is 211040113.

It is a happy number.

211040112 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211040113) 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 3 ways as a sum of consecutive naturals, for example, 2198287 + ... + 2198382.

It is an arithmetic number, because the mean of its divisors is an integer number (27259354).

Almost surely, 2^211040112 is an apocalyptic number.

It is an amenable number.

211040112 is an abundant number, since it is smaller than the sum of its proper divisors (334146968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211040112 is a wasteful number, since it uses less digits than its factorization.

211040112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396680 (or 4396674 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 211040112 is about 14527.2196927010. The cubic root of 211040112 is about 595.3719041127.

The spelling of 211040112 in words is "two hundred eleven million, forty thousand, one hundred twelve".