211684422116 has 6 divisors (see below), whose sum is σ = 370447738710. Its totient is φ = 105842211056.

The previous prime is 211684422107. The next prime is 211684422119. The reversal of 211684422116 is 611224486112.

211684422116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 146883628516 + 64800793600 = 383254^2 + 254560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211684422116.

It is not an unprimeable number, because it can be changed into a prime (211684422119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26460552761 + ... + 26460552768.

It is an arithmetic number, because the mean of its divisors is an integer number (61741289785).

Almost surely, 2^211684422116 is an apocalyptic number.

It is an amenable number.

211684422116 is a deficient number, since it is larger than the sum of its proper divisors (158763316594).

211684422116 is a wasteful number, since it uses less digits than its factorization.

211684422116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52921105533 (or 52921105531 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The spelling of 211684422116 in words is "two hundred eleven billion, six hundred eighty-four million, four hundred twenty-two thousand, one hundred sixteen".