22123311323111 has 4 divisors (see below), whose sum is σ = 22130103868992. Its totient is φ = 22116518777232.

The previous prime is 22123311323051. The next prime is 22123311323119. The reversal of 22123311323111 is 11132311332122.

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

It is a cyclic number.

It is not a de Polignac number, because 22123311323111 - 2¹⁴ = 22123311306727 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 (22123311323119) 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, 3396268055 + ... + 3396274568.

It is an arithmetic number, because the mean of its divisors is an integer number (5532525967248).

Almost surely, 2^{22123311323111} is an apocalyptic number.

22123311323111 is a deficient number, since it is larger than the sum of its proper divisors (6792545881).

22123311323111 is an equidigital number, since it uses as much as digits as its factorization.

22123311323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792545880.

The product of its digits is 1296, while the sum is 26.

Adding to 22123311323111 its reverse (11132311332122), we get a palindrome (33255622655233).

The spelling of 22123311323111 in words is "twenty-two trillion, one hundred twenty-three billion, three hundred eleven million, three hundred twenty-three thousand, one hundred eleven".