211210211222 has 8 divisors (see below), whose sum is σ = 316818675216. Its totient is φ = 105603986152.

The previous prime is 211210211209. The next prime is 211210211231. The reversal of 211210211222 is 222112012112.

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 211210211222.

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, 299738 + ... + 715725.

It is an arithmetic number, because the mean of its divisors is an integer number (39602334402).

Almost surely, 2^211210211222 is an apocalyptic number.

211210211222 is a deficient number, since it is larger than the sum of its proper divisors (105608463994).

211210211222 is a wasteful number, since it uses less digits than its factorization.

211210211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119462.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211210211222 its reverse (222112012112), we get a palindrome (433322223334).

The spelling of 211210211222 in words is "two hundred eleven billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-two".