22012210200161 has 2 divisors, whose sum is σ = 22012210200162. Its totient is φ = 22012210200160.

The previous prime is 22012210200119. The next prime is 22012210200187. The reversal of 22012210200161 is 16100201221022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21345324010000 + 666886190161 = 4620100^2 + 816631^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012210200161 - 2²⁶ = 22012143091297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22012210100161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006105100080 + 11006105100081.

It is an arithmetic number, because the mean of its divisors is an integer number (11006105100081).

Almost surely, 2^{22012210200161} is an apocalyptic number.

It is an amenable number.

22012210200161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012210200161 is an equidigital number, since it uses as much as digits as its factorization.

22012210200161 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 20.

Adding to 22012210200161 its reverse (16100201221022), we get a palindrome (38112411421183).

The spelling of 22012210200161 in words is "twenty-two trillion, twelve billion, two hundred ten million, two hundred thousand, one hundred sixty-one".