22123101311 has 4 divisors (see below), whose sum is σ = 22133879352. Its totient is φ = 22112323272.

The previous prime is 22123101289. The next prime is 22123101313. The reversal of 22123101311 is 11310132122.

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 22123101311 - 2¹⁰ = 22123100287 is a prime.

It is a super-2 number, since 2×22123101311² (a number of 21 digits) contains 22 as substring.

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 22123101311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123101313) 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, 5385941 + ... + 5390046.

It is an arithmetic number, because the mean of its divisors is an integer number (5533469838).

Almost surely, 2^22123101311 is an apocalyptic number.

22123101311 is a deficient number, since it is larger than the sum of its proper divisors (10778041).

22123101311 is a wasteful number, since it uses less digits than its factorization.

22123101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778040.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22123101311 its reverse (11310132122), we get a palindrome (33433233433).

The spelling of 22123101311 in words is "twenty-two billion, one hundred twenty-three million, one hundred one thousand, three hundred eleven".