22111102222111 has 8 divisors (see below), whose sum is σ = 25327393372160. Its totient is φ = 18909201637368.

The previous prime is 22111102222073. The next prime is 22111102222117. The reversal of 22111102222111 is 11122220111122.

It is a happy number.

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

It is not a de Polignac number, because 22111102222111 - 2¹⁹ = 22111101697823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111102222117) 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, 3597638031 + ... + 3597644176.

It is an arithmetic number, because the mean of its divisors is an integer number (3165924171520).

Almost surely, 2^{22111102222111} is an apocalyptic number.

22111102222111 is a deficient number, since it is larger than the sum of its proper divisors (3216291150049).

22111102222111 is an equidigital number, since it uses as much as digits as its factorization.

22111102222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195282653.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22111102222111 its reverse (11122220111122), we get a palindrome (33233322333233).

The spelling of 22111102222111 in words is "twenty-two trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred eleven".