1202020322117 has 2 divisors, whose sum is σ = 1202020322118. Its totient is φ = 1202020322116.

The previous prime is 1202020322099. The next prime is 1202020322119. The reversal of 1202020322117 is 7112230202021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896608247236 + 305412074881 = 946894^2 + 552641^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202020322117 - 2⁸ = 1202020321861 is a prime.

Together with 1202020322119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202020322092 and 1202020322101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202020322119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601010161058 + 601010161059.

It is an arithmetic number, because the mean of its divisors is an integer number (601010161059).

Almost surely, 2^{1202020322117} is an apocalyptic number.

It is an amenable number.

1202020322117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202020322117 is an equidigital number, since it uses as much as digits as its factorization.

1202020322117 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1202020322117 its reverse (7112230202021), we get a palindrome (8314250524138).

The spelling of 1202020322117 in words is "one trillion, two hundred two billion, twenty million, three hundred twenty-two thousand, one hundred seventeen".