211222000122211 has 8 divisors (see below), whose sum is σ = 229260947439104. Its totient is φ = 193438924398720.

The previous prime is 211222000122163. The next prime is 211222000122229. The reversal of 211222000122211 is 112221000222112.

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

It is not a de Polignac number, because 211222000122211 - 2²⁵ = 211221966567779 is a prime.

It is a super-2 number, since 2×211222000122211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211222000129211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63967896630 + ... + 63967899931.

It is an arithmetic number, because the mean of its divisors is an integer number (28657618429888).

Almost surely, 2^{211222000122211} is an apocalyptic number.

211222000122211 is a deficient number, since it is larger than the sum of its proper divisors (18038947316893).

211222000122211 is a wasteful number, since it uses less digits than its factorization.

211222000122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127935796701.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211222000122211 its reverse (112221000222112), we get a palindrome (323443000344323).

Subtracting from 211222000122211 its reverse (112221000222112), we obtain a palindrome (99000999900099).

The spelling of 211222000122211 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-two thousand, two hundred eleven".