22021314121 has 2 divisors, whose sum is σ = 22021314122. Its totient is φ = 22021314120.

The previous prime is 22021314083. The next prime is 22021314179. The reversal of 22021314121 is 12141312022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19116104121 + 2905210000 = 138261^2 + 53900^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021314121 - 2⁹ = 22021313609 is a prime.

It is not a weakly prime, because it can be changed into another prime (22021314221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010657060 + 11010657061.

It is an arithmetic number, because the mean of its divisors is an integer number (11010657061).

Almost surely, 2^22021314121 is an apocalyptic number.

It is an amenable number.

22021314121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021314121 is an equidigital number, since it uses as much as digits as its factorization.

22021314121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22021314121 its reverse (12141312022), we get a palindrome (34162626143).

The spelling of 22021314121 in words is "twenty-two billion, twenty-one million, three hundred fourteen thousand, one hundred twenty-one".