210211211222 has 8 divisors (see below), whose sum is σ = 333864864936. Its totient is φ = 98922922912.

The previous prime is 210211211201. The next prime is 210211211267. The reversal of 210211211222 is 222112112012.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 210211211222.

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, 3091341308 + ... + 3091341375.

It is an arithmetic number, because the mean of its divisors is an integer number (41733108117).

Almost surely, 2^210211211222 is an apocalyptic number.

210211211222 is a deficient number, since it is larger than the sum of its proper divisors (123653653714).

210211211222 is a wasteful number, since it uses less digits than its factorization.

210211211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182682702.

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

Adding to 210211211222 its reverse (222112112012), we get a palindrome (432323323234).

The spelling of 210211211222 in words is "two hundred ten billion, two hundred eleven million, two hundred eleven thousand, two hundred twenty-two".