100021111002017 has 2 divisors, whose sum is σ = 100021111002018. Its totient is φ = 100021111002016.

The previous prime is 100021111002013. The next prime is 100021111002041. The reversal of 100021111002017 is 710200111120001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91880583310096 + 8140527691921 = 9585436^2 + 2853161^2 .

It is a cyclic number.

It is not a de Polignac number, because 100021111002017 - 2² = 100021111002013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100021111001986 and 100021111002004.

It is not a weakly prime, because it can be changed into another prime (100021111002013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010555501008 + 50010555501009.

It is an arithmetic number, because the mean of its divisors is an integer number (50010555501009).

Almost surely, 2^{100021111002017} is an apocalyptic number.

It is an amenable number.

100021111002017 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021111002017 is an equidigital number, since it uses as much as digits as its factorization.

100021111002017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 100021111002017 its reverse (710200111120001), we get a palindrome (810221222122018).

The spelling of 100021111002017 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, two thousand, seventeen".