121111022317 has 2 divisors, whose sum is σ = 121111022318. Its totient is φ = 121111022316.

The previous prime is 121111022309. The next prime is 121111022339. The reversal of 121111022317 is 713220111121.

It is an a-pointer prime, because the next prime (121111022339) can be obtained adding 121111022317 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112891968036 + 8219054281 = 335994^2 + 90659^2 .

It is a cyclic number.

It is not a de Polignac number, because 121111022317 - 2³ = 121111022309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121111022117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555511158 + 60555511159.

It is an arithmetic number, because the mean of its divisors is an integer number (60555511159).

Almost surely, 2^121111022317 is an apocalyptic number.

It is an amenable number.

121111022317 is a deficient number, since it is larger than the sum of its proper divisors (1).

121111022317 is an equidigital number, since it uses as much as digits as its factorization.

121111022317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 121111022317 its reverse (713220111121), we get a palindrome (834331133438).

The spelling of 121111022317 in words is "one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, three hundred seventeen".