122021702617 has 2 divisors, whose sum is σ = 122021702618. Its totient is φ = 122021702616.

The previous prime is 122021702611. The next prime is 122021702707. The reversal of 122021702617 is 716207120221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112638099456 + 9383603161 = 335616^2 + 96869^2 .

It is a cyclic number.

It is not a de Polignac number, because 122021702617 - 2²³ = 122013314009 is a prime.

It is not a weakly prime, because it can be changed into another prime (122021702611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010851308 + 61010851309.

It is an arithmetic number, because the mean of its divisors is an integer number (61010851309).

Almost surely, 2^122021702617 is an apocalyptic number.

It is an amenable number.

122021702617 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021702617 is an equidigital number, since it uses as much as digits as its factorization.

122021702617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

Adding to 122021702617 its reverse (716207120221), we get a palindrome (838228822838).

The spelling of 122021702617 in words is "one hundred twenty-two billion, twenty-one million, seven hundred two thousand, six hundred seventeen".