122201221073 has 2 divisors, whose sum is σ = 122201221074. Its totient is φ = 122201221072.

The previous prime is 122201221039. The next prime is 122201221147. The reversal of 122201221073 is 370122102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82746549649 + 39454671424 = 287657^2 + 198632^2 .

It is an emirp because it is prime and its reverse (370122102221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122201221073 - 2²² = 122197026769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122201221033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100610536 + 61100610537.

It is an arithmetic number, because the mean of its divisors is an integer number (61100610537).

Almost surely, 2^122201221073 is an apocalyptic number.

It is an amenable number.

122201221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201221073 is an equidigital number, since it uses as much as digits as its factorization.

122201221073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 122201221073 its reverse (370122102221), we get a palindrome (492323323294).

The spelling of 122201221073 in words is "one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, seventy-three".