211410142105 has 4 divisors (see below), whose sum is σ = 253692170532. Its totient is φ = 169128113680.

The previous prime is 211410142079. The next prime is 211410142109. The reversal of 211410142105 is 501241014112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162721071769 + 48689070336 = 403387^2 + 220656^2 .

It is a de Polignac number, because none of the positive numbers 2^k-211410142105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211410142109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21141014206 + ... + 21141014215.

It is an arithmetic number, because the mean of its divisors is an integer number (63423042633).

Almost surely, 2^211410142105 is an apocalyptic number.

It is an amenable number.

211410142105 is a deficient number, since it is larger than the sum of its proper divisors (42282028427).

211410142105 is an equidigital number, since it uses as much as digits as its factorization.

211410142105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42282028426.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 211410142105 its reverse (501241014112), we get a palindrome (712651156217).

The spelling of 211410142105 in words is "two hundred eleven billion, four hundred ten million, one hundred forty-two thousand, one hundred five".