122210221211173 has 2 divisors, whose sum is σ = 122210221211174. Its totient is φ = 122210221211172.

The previous prime is 122210221211153. The next prime is 122210221211209. The reversal of 122210221211173 is 371112122012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120703116331009 + 1507104880164 = 10986497^2 + 1227642^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210221211173 - 2⁴⁵ = 87025849122341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122210221211153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105110605586 + 61105110605587.

It is an arithmetic number, because the mean of its divisors is an integer number (61105110605587).

Almost surely, 2^{122210221211173} is an apocalyptic number.

It is an amenable number.

122210221211173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210221211173 is an equidigital number, since it uses as much as digits as its factorization.

122210221211173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 122210221211173 its reverse (371112122012221), we get a palindrome (493322343223394).

The spelling of 122210221211173 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred twenty-one million, two hundred eleven thousand, one hundred seventy-three".