22424121121 has 2 divisors, whose sum is σ = 22424121122. Its totient is φ = 22424121120.

The previous prime is 22424121089. The next prime is 22424121143. The reversal of 22424121121 is 12112142422.

It is an a-pointer prime, because the next prime (22424121143) can be obtained adding 22424121121 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18615873600 + 3808247521 = 136440^2 + 61711^2 .

It is a cyclic number.

It is not a de Polignac number, because 22424121121 - 2⁵ = 22424121089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22424121092 and 22424121101.

It is not a weakly prime, because it can be changed into another prime (22424121821) 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 as a sum of consecutive naturals, namely, 11212060560 + 11212060561.

It is an arithmetic number, because the mean of its divisors is an integer number (11212060561).

Almost surely, 2^22424121121 is an apocalyptic number.

It is an amenable number.

22424121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424121121 is an equidigital number, since it uses as much as digits as its factorization.

22424121121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 22.

Adding to 22424121121 its reverse (12112142422), we get a palindrome (34536263543).

The spelling of 22424121121 in words is "twenty-two billion, four hundred twenty-four million, one hundred twenty-one thousand, one hundred twenty-one".