211210210220222 has 16 divisors (see below), whose sum is σ = 326002417183152. Its totient is φ = 102553694418240.

The previous prime is 211210210220197. The next prime is 211210210220263. The reversal of 211210210220222 is 222022012012112.

It is a junction number, because it is equal to n+sod(n) for n = 211210210220194 and 211210210220203.

It is a congruent number.

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, 2739109268 + ... + 2739186375.

It is an arithmetic number, because the mean of its divisors is an integer number (20375151073947).

Almost surely, 2^{211210210220222} is an apocalyptic number.

211210210220222 is a deficient number, since it is larger than the sum of its proper divisors (114792206962930).

211210210220222 is a wasteful number, since it uses less digits than its factorization.

211210210220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478296203.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211210210220222 its reverse (222022012012112), we get a palindrome (433232222232334).

The spelling of 211210210220222 in words is "two hundred eleven trillion, two hundred ten billion, two hundred ten million, two hundred twenty thousand, two hundred twenty-two".