22301440121 has 2 divisors, whose sum is σ = 22301440122. Its totient is φ = 22301440120.

The previous prime is 22301440111. The next prime is 22301440141. The reversal of 22301440121 is 12104410322.

It is an a-pointer prime, because the next prime (22301440141) can be obtained adding 22301440121 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12591308521 + 9710131600 = 112211^2 + 98540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22301440121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22301440093 and 22301440102.

It is not a weakly prime, because it can be changed into another prime (22301440111) 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, 11150720060 + 11150720061.

It is an arithmetic number, because the mean of its divisors is an integer number (11150720061).

Almost surely, 2^22301440121 is an apocalyptic number.

It is an amenable number.

22301440121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301440121 is an equidigital number, since it uses as much as digits as its factorization.

22301440121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22301440121 its reverse (12104410322), we get a palindrome (34405850443).

The spelling of 22301440121 in words is "twenty-two billion, three hundred one million, four hundred forty thousand, one hundred twenty-one".