211243111010 has 16 divisors (see below), whose sum is σ = 381386359872. Its totient is φ = 84241964400.

The previous prime is 211243110983. The next prime is 211243111021. The reversal of 211243111010 is 10111342112.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211243111010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31906526 + ... + 31913145.

It is an arithmetic number, because the mean of its divisors is an integer number (23836647492).

Almost surely, 2^211243111010 is an apocalyptic number.

211243111010 is a deficient number, since it is larger than the sum of its proper divisors (170143248862).

211243111010 is a wasteful number, since it uses less digits than its factorization.

211243111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63820009.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211243111010 its reverse (10111342112), we get a palindrome (221354453122).

The spelling of 211243111010 in words is "two hundred eleven billion, two hundred forty-three million, one hundred eleven thousand, ten".