211100230 has 48 divisors (see below), whose sum is σ = 424887120. Its totient is φ = 75437120.

The previous prime is 211100209. The next prime is 211100231. The reversal of 211100230 is 32001112.

211100230 = T₄₆₀ + T₄₆₁ + ... + T₁₁₀₈.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100231) 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 23 ways as a sum of consecutive naturals, for example, 69912 + ... + 72868.

It is an arithmetic number, because the mean of its divisors is an integer number (8851815).

Almost surely, 2^211100230 is an apocalyptic number.

211100230 is an abundant number, since it is smaller than the sum of its proper divisors (213786890).

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

211100230 is a wasteful number, since it uses less digits than its factorization.

211100230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211100230 is about 14529.2886955969. The cubic root of 211100230 is about 595.4284323395.

Adding to 211100230 its reverse (32001112), we get a palindrome (243101342).

The spelling of 211100230 in words is "two hundred eleven million, one hundred thousand, two hundred thirty".