202230310121017 has 2 divisors, whose sum is σ = 202230310121018. Its totient is φ = 202230310121016.

The previous prime is 202230310120991. The next prime is 202230310121087. The reversal of 202230310121017 is 710121013032202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151076645672976 + 51153664448041 = 12291324^2 + 7152179^2 .

It is a cyclic number.

It is not a de Polignac number, because 202230310121017 - 2¹⁵ = 202230310088249 is a prime.

It is a super-2 number, since 2×202230310121017² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202230310120982 and 202230310121000.

It is not a weakly prime, because it can be changed into another prime (202230310121087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101115155060508 + 101115155060509.

It is an arithmetic number, because the mean of its divisors is an integer number (101115155060509).

Almost surely, 2^{202230310121017} is an apocalyptic number.

It is an amenable number.

202230310121017 is a deficient number, since it is larger than the sum of its proper divisors (1).

202230310121017 is an equidigital number, since it uses as much as digits as its factorization.

202230310121017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 202230310121017 its reverse (710121013032202), we get a palindrome (912351323153219).

The spelling of 202230310121017 in words is "two hundred two trillion, two hundred thirty billion, three hundred ten million, one hundred twenty-one thousand, seventeen".