22023121311 has 6 divisors (see below), whose sum is σ = 31811175240. Its totient is φ = 14682080868.

The previous prime is 22023121279. The next prime is 22023121321. The reversal of 22023121311 is 11312132022.

22023121311 is a `hidden beast` number, since 220 + 2 + 312 + 131 + 1 = 666.

It is not a de Polignac number, because 22023121311 - 2⁵ = 22023121279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023121321) 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 5 ways as a sum of consecutive naturals, for example, 1223506731 + ... + 1223506748.

It is an arithmetic number, because the mean of its divisors is an integer number (5301862540).

Almost surely, 2^22023121311 is an apocalyptic number.

22023121311 is a deficient number, since it is larger than the sum of its proper divisors (9788053929).

22023121311 is a wasteful number, since it uses less digits than its factorization.

22023121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447013485 (or 2447013482 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22023121311 its reverse (11312132022), we get a palindrome (33335253333).

The spelling of 22023121311 in words is "twenty-two billion, twenty-three million, one hundred twenty-one thousand, three hundred eleven".