101320122217 has 2 divisors, whose sum is σ = 101320122218. Its totient is φ = 101320122216.

The previous prime is 101320122191. The next prime is 101320122289. The reversal of 101320122217 is 712221023101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97383940096 + 3936182121 = 312064^2 + 62739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101320122217 is a prime.

It is not a weakly prime, because it can be changed into another prime (101320122017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660061108 + 50660061109.

It is an arithmetic number, because the mean of its divisors is an integer number (50660061109).

Almost surely, 2^101320122217 is an apocalyptic number.

It is an amenable number.

101320122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

101320122217 is an equidigital number, since it uses as much as digits as its factorization.

101320122217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 101320122217 its reverse (712221023101), we get a palindrome (813541145318).

The spelling of 101320122217 in words is "one hundred one billion, three hundred twenty million, one hundred twenty-two thousand, two hundred seventeen".