2211111320223 has 8 divisors (see below), whose sum is σ = 3174929075248. Its totient is φ = 1360683889344.

The previous prime is 2211111320219. The next prime is 2211111320287. The reversal of 2211111320223 is 3220231111122.

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

It is not a de Polignac number, because 2211111320223 - 2² = 2211111320219 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 2211111320223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211111320203) 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, 28347580990 + ... + 28347581067.

It is an arithmetic number, because the mean of its divisors is an integer number (396866134406).

Almost surely, 2^{2211111320223} is an apocalyptic number.

2211111320223 is a deficient number, since it is larger than the sum of its proper divisors (963817755025).

2211111320223 is a wasteful number, since it uses less digits than its factorization.

2211111320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56695162073.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2211111320223 its reverse (3220231111122), we get a palindrome (5431342431345).

The spelling of 2211111320223 in words is "two trillion, two hundred eleven billion, one hundred eleven million, three hundred twenty thousand, two hundred twenty-three".