2021001193 has 2 divisors, whose sum is σ = 2021001194. Its totient is φ = 2021001192.

The previous prime is 2021001179. The next prime is 2021001221. The reversal of 2021001193 is 3911001202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1679934169 + 341067024 = 40987^2 + 18468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021001193 - 2¹³ = 2020993001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021001193.

It is not a weakly prime, because it can be changed into another prime (2021001173) 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, 1010500596 + 1010500597.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500597).

Almost surely, 2^2021001193 is an apocalyptic number.

It is an amenable number.

2021001193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021001193 is an equidigital number, since it uses as much as digits as its factorization.

2021001193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2021001193 is about 44955.5468546430. The cubic root of 2021001193 is about 1264.3156777189.

Adding to 2021001193 its reverse (3911001202), we get a palindrome (5932002395).

The spelling of 2021001193 in words is "two billion, twenty-one million, one thousand, one hundred ninety-three".