2021002213 has 2 divisors, whose sum is σ = 2021002214. Its totient is φ = 2021002212.

The previous prime is 2021002187. The next prime is 2021002219. The reversal of 2021002213 is 3122001202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1983633444 + 37368769 = 44538^2 + 6113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021002213 - 2²¹ = 2018905061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021002193 and 2021002202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021002219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010501106 + 1010501107.

It is an arithmetic number, because the mean of its divisors is an integer number (1010501107).

Almost surely, 2^2021002213 is an apocalyptic number.

It is an amenable number.

2021002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021002213 is an equidigital number, since it uses as much as digits as its factorization.

2021002213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2021002213 is about 44955.5581991816. The cubic root of 2021002213 is about 1264.3158904191.

Adding to 2021002213 its reverse (3122001202), we get a palindrome (5143003415).

The spelling of 2021002213 in words is "two billion, twenty-one million, two thousand, two hundred thirteen".