22120210210211 has 4 divisors (see below), whose sum is σ = 22135754983392. Its totient is φ = 22104665437032.

The previous prime is 22120210210177. The next prime is 22120210210261. The reversal of 22120210210211 is 11201201202122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22120210210211 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 22120210210211.

It is not an unprimeable number, because it can be changed into a prime (22120210210261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7772384456 + ... + 7772387301.

It is an arithmetic number, because the mean of its divisors is an integer number (5533938745848).

Almost surely, 2^{22120210210211} is an apocalyptic number.

22120210210211 is a deficient number, since it is larger than the sum of its proper divisors (15544773181).

22120210210211 is a wasteful number, since it uses less digits than its factorization.

22120210210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544773180.

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

Adding to 22120210210211 its reverse (11201201202122), we get a palindrome (33321411412333).

The spelling of 22120210210211 in words is "twenty-two trillion, one hundred twenty billion, two hundred ten million, two hundred ten thousand, two hundred eleven".