22020320110121 has 2 divisors, whose sum is σ = 22020320110122. Its totient is φ = 22020320110120.

The previous prime is 22020320110091. The next prime is 22020320110133. The reversal of 22020320110121 is 12101102302022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19164257290000 + 2856062820121 = 4377700^2 + 1689989^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020320110121 - 2¹⁰ = 22020320109097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020320110121.

It is not a weakly prime, because it can be changed into another prime (22020320110181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010160055060 + 11010160055061.

It is an arithmetic number, because the mean of its divisors is an integer number (11010160055061).

Almost surely, 2^{22020320110121} is an apocalyptic number.

It is an amenable number.

22020320110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020320110121 is an equidigital number, since it uses as much as digits as its factorization.

22020320110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22020320110121 its reverse (12101102302022), we get a palindrome (34121422412143).

The spelling of 22020320110121 in words is "twenty-two trillion, twenty billion, three hundred twenty million, one hundred ten thousand, one hundred twenty-one".