211210202222 has 8 divisors (see below), whose sum is σ = 317993056200. Its totient is φ = 105212516824.

The previous prime is 211210202149. The next prime is 211210202239. The reversal of 211210202222 is 222202012112.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211210202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196291472 + ... + 196292547.

It is an arithmetic number, because the mean of its divisors is an integer number (39749132025).

Almost surely, 2^211210202222 is an apocalyptic number.

211210202222 is a deficient number, since it is larger than the sum of its proper divisors (106782853978).

211210202222 is a wasteful number, since it uses less digits than its factorization.

211210202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392584290.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211210202222 its reverse (222202012112), we get a palindrome (433412214334).

The spelling of 211210202222 in words is "two hundred eleven billion, two hundred ten million, two hundred two thousand, two hundred twenty-two".