2021000112017 has 2 divisors, whose sum is σ = 2021000112018. Its totient is φ = 2021000112016.

The previous prime is 2021000112011. The next prime is 2021000112067. The reversal of 2021000112017 is 7102110001202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2004500966416 + 16499145601 = 1415804^2 + 128449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021000112017 - 2¹² = 2021000107921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021000111986 and 2021000112004.

It is not a weakly prime, because it can be changed into another prime (2021000112011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010500056008 + 1010500056009.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500056009).

Almost surely, 2^{2021000112017} is an apocalyptic number.

It is an amenable number.

2021000112017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021000112017 is an equidigital number, since it uses as much as digits as its factorization.

2021000112017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 2021000112017 its reverse (7102110001202), we get a palindrome (9123110113219).

The spelling of 2021000112017 in words is "two trillion, twenty-one billion, one hundred twelve thousand, seventeen".