211146 has 16 divisors (see below), whose sum is σ = 454944. Its totient is φ = 64944.

The previous prime is 211129. The next prime is 211151. The reversal of 211146 is 641112.

211146 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

211146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (28434).

2²¹¹¹⁴⁶ is an apocalyptic number.

211146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

211146 is an abundant number, since it is smaller than the sum of its proper divisors (243798).

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

211146 is a wasteful number, since it uses less digits than its factorization.

211146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

The product of its digits is 48, while the sum is 15.

The square root of 211146 is about 459.5062567583. The cubic root of 211146 is about 59.5471462120.

Adding to 211146 its reverse (641112), we get a palindrome (852258).

The spelling of 211146 in words is "two hundred eleven thousand, one hundred forty-six".