2021202017 has 2 divisors, whose sum is σ = 2021202018. Its totient is φ = 2021202016.

The previous prime is 2021201989. The next prime is 2021202041. The reversal of 2021202017 is 7102021202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1854508096 + 166693921 = 43064^2 + 12911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021202017 - 2⁸ = 2021201761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021201986 and 2021202004.

It is not a weakly prime, because it can be changed into another prime (2021202047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010601008 + 1010601009.

It is an arithmetic number, because the mean of its divisors is an integer number (1010601009).

Almost surely, 2^2021202017 is an apocalyptic number.

It is an amenable number.

2021202017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021202017 is an equidigital number, since it uses as much as digits as its factorization.

2021202017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2021202017 is about 44957.7803833775. The cubic root of 2021202017 is about 1264.3575540792.

Adding to 2021202017 its reverse (7102021202), we get a palindrome (9123223219).

The spelling of 2021202017 in words is "two billion, twenty-one million, two hundred two thousand, seventeen".