211330112 has 28 divisors (see below), whose sum is σ = 479267520. Its totient is φ = 90569856.

The previous prime is 211330081. The next prime is 211330121. The reversal of 211330112 is 211033112.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235412 + ... + 236307.

Almost surely, 2^211330112 is an apocalyptic number.

It is an amenable number.

211330112 is an abundant number, since it is smaller than the sum of its proper divisors (267937408).

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

211330112 is an equidigital number, since it uses as much as digits as its factorization.

211330112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471738 (or 471728 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 211330112 is about 14537.1975290976. The cubic root of 211330112 is about 595.6444886704.

Adding to 211330112 its reverse (211033112), we get a palindrome (422363224).

The spelling of 211330112 in words is "two hundred eleven million, three hundred thirty thousand, one hundred twelve".