1202111202317 has 2 divisors, whose sum is σ = 1202111202318. Its totient is φ = 1202111202316.

The previous prime is 1202111202197. The next prime is 1202111202349. The reversal of 1202111202317 is 7132021112021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 683323769956 + 518787432361 = 826634^2 + 720269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202111202317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202111202292 and 1202111202301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202111202517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601055601158 + 601055601159.

It is an arithmetic number, because the mean of its divisors is an integer number (601055601159).

Almost surely, 2^{1202111202317} is an apocalyptic number.

It is an amenable number.

1202111202317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202111202317 is an equidigital number, since it uses as much as digits as its factorization.

1202111202317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 1202111202317 its reverse (7132021112021), we get a palindrome (8334132314338).

The spelling of 1202111202317 in words is "one trillion, two hundred two billion, one hundred eleven million, two hundred two thousand, three hundred seventeen".