2021050243 has 16 divisors (see below), whose sum is σ = 2104026624. Its totient is φ = 1940004000.

The previous prime is 2021050237. The next prime is 2021050247. The reversal of 2021050243 is 3420501202.

It is a cyclic number.

It is not a de Polignac number, because 2021050243 - 2⁵ = 2021050211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021050243.

It is not an unprimeable number, because it can be changed into a prime (2021050247) 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 in 15 ways as a sum of consecutive naturals, for example, 789121 + ... + 791677.

It is an arithmetic number, because the mean of its divisors is an integer number (131501664).

Almost surely, 2^2021050243 is an apocalyptic number.

2021050243 is a deficient number, since it is larger than the sum of its proper divisors (82976381).

2021050243 is a wasteful number, since it uses less digits than its factorization.

2021050243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2021050243 is about 44956.0923902423. The cubic root of 2021050243 is about 1264.3259060128.

Adding to 2021050243 its reverse (3420501202), we get a palindrome (5441551445).

The spelling of 2021050243 in words is "two billion, twenty-one million, fifty thousand, two hundred forty-three".