22424100322121 has 2 divisors, whose sum is σ = 22424100322122. Its totient is φ = 22424100322120.

The previous prime is 22424100322079. The next prime is 22424100322219. The reversal of 22424100322121 is 12122300142422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21635847559225 + 788252762896 = 4651435^2 + 887836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22424100322121 is a prime.

It is not a weakly prime, because it can be changed into another prime (22424100322321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212050161060 + 11212050161061.

It is an arithmetic number, because the mean of its divisors is an integer number (11212050161061).

Almost surely, 2^{22424100322121} is an apocalyptic number.

It is an amenable number.

22424100322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424100322121 is an equidigital number, since it uses as much as digits as its factorization.

22424100322121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 22424100322121 its reverse (12122300142422), we get a palindrome (34546400464543).

The spelling of 22424100322121 in words is "twenty-two trillion, four hundred twenty-four billion, one hundred million, three hundred twenty-two thousand, one hundred twenty-one".