122122221017 has 2 divisors, whose sum is σ = 122122221018. Its totient is φ = 122122221016.

The previous prime is 122122220953. The next prime is 122122221029. The reversal of 122122221017 is 710122221221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79354326601 + 42767894416 = 281699^2 + 206804^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122221017 - 2⁶ = 122122220953 is a prime.

It is a super-2 number, since 2×122122221017² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122122220983 and 122122221001.

It is not a weakly prime, because it can be changed into another prime (122122223017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061110508 + 61061110509.

It is an arithmetic number, because the mean of its divisors is an integer number (61061110509).

Almost surely, 2^122122221017 is an apocalyptic number.

It is an amenable number.

122122221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122221017 is an equidigital number, since it uses as much as digits as its factorization.

122122221017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 122122221017 its reverse (710122221221), we get a palindrome (832244442238).

The spelling of 122122221017 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, seventeen".