2021004143 has 2 divisors, whose sum is σ = 2021004144. Its totient is φ = 2021004142.

The previous prime is 2021004131. The next prime is 2021004151. The reversal of 2021004143 is 3414001202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021004143 - 2¹⁸ = 2020741999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021004443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010502071 + 1010502072.

It is an arithmetic number, because the mean of its divisors is an integer number (1010502072).

Almost surely, 2^2021004143 is an apocalyptic number.

2021004143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021004143 is an equidigital number, since it uses as much as digits as its factorization.

2021004143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2021004143 is about 44955.5796648203. The cubic root of 2021004143 is about 1264.3162928810.

Adding to 2021004143 its reverse (3414001202), we get a palindrome (5435005345).

The spelling of 2021004143 in words is "two billion, twenty-one million, four thousand, one hundred forty-three".