211410220109 has 4 divisors (see below), whose sum is σ = 230629331040. Its totient is φ = 192191109180.

The previous prime is 211410220079. The next prime is 211410220111. The reversal of 211410220109 is 901022014112.

211410220109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211410220109 - 2³⁶ = 142690743373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211410220159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9609555449 + ... + 9609555470.

It is an arithmetic number, because the mean of its divisors is an integer number (57657332760).

Almost surely, 2^211410220109 is an apocalyptic number.

It is an amenable number.

211410220109 is a deficient number, since it is larger than the sum of its proper divisors (19219110931).

211410220109 is a wasteful number, since it uses less digits than its factorization.

211410220109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19219110930.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 211410220109 in words is "two hundred eleven billion, four hundred ten million, two hundred twenty thousand, one hundred nine".