100522172017 has 2 divisors, whose sum is σ = 100522172018. Its totient is φ = 100522172016.

The previous prime is 100522171921. The next prime is 100522172039. The reversal of 100522172017 is 710271225001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56351163456 + 44171008561 = 237384^2 + 210169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100522172017 is a prime.

It is not a weakly prime, because it can be changed into another prime (100522172087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50261086008 + 50261086009.

It is an arithmetic number, because the mean of its divisors is an integer number (50261086009).

Almost surely, 2^100522172017 is an apocalyptic number.

It is an amenable number.

100522172017 is a deficient number, since it is larger than the sum of its proper divisors (1).

100522172017 is an equidigital number, since it uses as much as digits as its factorization.

100522172017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 100522172017 its reverse (710271225001), we get a palindrome (810793397018).

The spelling of 100522172017 in words is "one hundred billion, five hundred twenty-two million, one hundred seventy-two thousand, seventeen".