2021021313301 has 2 divisors, whose sum is σ = 2021021313302. Its totient is φ = 2021021313300.

The previous prime is 2021021313281. The next prime is 2021021313323. The reversal of 2021021313301 is 1033131201202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172024925201 + 848996388100 = 1082601^2 + 921410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021021313301 - 2⁷ = 2021021313173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021021313331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010510656650 + 1010510656651.

It is an arithmetic number, because the mean of its divisors is an integer number (1010510656651).

Almost surely, 2^{2021021313301} is an apocalyptic number.

It is an amenable number.

2021021313301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021021313301 is an equidigital number, since it uses as much as digits as its factorization.

2021021313301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2021021313301 its reverse (1033131201202), we get a palindrome (3054152514503).

The spelling of 2021021313301 in words is "two trillion, twenty-one billion, twenty-one million, three hundred thirteen thousand, three hundred one".