210122212211 has 8 divisors (see below), whose sum is σ = 220049512224. Its totient is φ = 200260874880.

The previous prime is 210122212199. The next prime is 210122212213. The reversal of 210122212211 is 112212221012.

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

It is not a de Polignac number, because 210122212211 - 2²⁶ = 210055103347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210122212211.

It is not an unprimeable number, because it can be changed into a prime (210122212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16484150 + ... + 16496891.

It is an arithmetic number, because the mean of its divisors is an integer number (27506189028).

Almost surely, 2^210122212211 is an apocalyptic number.

210122212211 is a deficient number, since it is larger than the sum of its proper divisors (9927300013).

210122212211 is a wasteful number, since it uses less digits than its factorization.

210122212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32981341.

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

Adding to 210122212211 its reverse (112212221012), we get a palindrome (322334433223).

The spelling of 210122212211 in words is "two hundred ten billion, one hundred twenty-two million, two hundred twelve thousand, two hundred eleven".