22301122310221 has 2 divisors, whose sum is σ = 22301122310222. Its totient is φ = 22301122310220.

The previous prime is 22301122310213. The next prime is 22301122310273. The reversal of 22301122310221 is 12201322110322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18213143794596 + 4087978515625 = 4267686^2 + 2021875^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301122310221 - 2³ = 22301122310213 is a prime.

It is a super-2 number, since 2×22301122310221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22301122310192 and 22301122310201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22301122310321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150561155110 + 11150561155111.

It is an arithmetic number, because the mean of its divisors is an integer number (11150561155111).

Almost surely, 2^{22301122310221} is an apocalyptic number.

It is an amenable number.

22301122310221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301122310221 is an equidigital number, since it uses as much as digits as its factorization.

22301122310221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22301122310221 its reverse (12201322110322), we get a palindrome (34502444420543).

The spelling of 22301122310221 in words is "twenty-two trillion, three hundred one billion, one hundred twenty-two million, three hundred ten thousand, two hundred twenty-one".