4021071143 has 2 divisors, whose sum is σ = 4021071144. Its totient is φ = 4021071142.

The previous prime is 4021071121. The next prime is 4021071157. The reversal of 4021071143 is 3411701204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021071143 - 2¹⁶ = 4021005607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021071113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010535571 + 2010535572.

It is an arithmetic number, because the mean of its divisors is an integer number (2010535572).

Almost surely, 2^4021071143 is an apocalyptic number.

4021071143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021071143 is an equidigital number, since it uses as much as digits as its factorization.

4021071143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 4021071143 is about 63411.9164116651. The cubic root of 4021071143 is about 1590.1835347120.

Adding to 4021071143 its reverse (3411701204), we get a palindrome (7432772347).

The spelling of 4021071143 in words is "four billion, twenty-one million, seventy-one thousand, one hundred forty-three".