22112021222211 has 8 divisors (see below), whose sum is σ = 29482718286160. Its totient is φ = 14741335819872.

The previous prime is 22112021222191. The next prime is 22112021222251. The reversal of 22112021222211 is 11222212021122.

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

It is not a de Polignac number, because 22112021222211 - 2⁶ = 22112021222147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112021222251) 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, 3569781 + ... + 7547673.

It is an arithmetic number, because the mean of its divisors is an integer number (3685339785770).

Almost surely, 2^{22112021222211} is an apocalyptic number.

22112021222211 is a deficient number, since it is larger than the sum of its proper divisors (7370697063949).

22112021222211 is a wasteful number, since it uses less digits than its factorization.

22112021222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830805.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22112021222211 its reverse (11222212021122), we get a palindrome (33334233243333).

The spelling of 22112021222211 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred eleven".