211210310111222 has 8 divisors (see below), whose sum is σ = 316862035151256. Its totient is φ = 105589631727472.

The previous prime is 211210310111219. The next prime is 211210310111237. The reversal of 211210310111222 is 222111013012112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211210310111194 and 211210310111203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7761647063 + ... + 7761674274.

It is an arithmetic number, because the mean of its divisors is an integer number (39607754393907).

Almost surely, 2^{211210310111222} is an apocalyptic number.

211210310111222 is a deficient number, since it is larger than the sum of its proper divisors (105651725040034).

211210310111222 is a wasteful number, since it uses less digits than its factorization.

211210310111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15523328142.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 211210310111222 its reverse (222111013012112), we get a palindrome (433321323123334).

The spelling of 211210310111222 in words is "two hundred eleven trillion, two hundred ten billion, three hundred ten million, one hundred eleven thousand, two hundred twenty-two".