211412105 has 8 divisors (see below), whose sum is σ = 253773000. Its totient is φ = 169077376.

The previous prime is 211412081. The next prime is 211412143. The reversal of 211412105 is 501214112.

It can be written as a sum of positive squares in 4 ways, for example, as 69039481 + 142372624 = 8309^2 + 11932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211412105 - 2⁶ = 211412041 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25631 + ... + 32859.

It is an arithmetic number, because the mean of its divisors is an integer number (31721625).

Almost surely, 2^211412105 is an apocalyptic number.

It is an amenable number.

211412105 is a deficient number, since it is larger than the sum of its proper divisors (42360895).

211412105 is an equidigital number, since it uses as much as digits as its factorization.

211412105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 211412105 is about 14540.0173658768. The cubic root of 211412105 is about 595.7215125001.

Adding to 211412105 its reverse (501214112), we get a palindrome (712626217).

The spelling of 211412105 in words is "two hundred eleven million, four hundred twelve thousand, one hundred five".