4043142101021 has 8 divisors (see below), whose sum is σ = 4079669900064. Its totient is φ = 4006757268720.

The previous prime is 4043142101017. The next prime is 4043142101071. The reversal of 4043142101021 is 1201012413404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4043142101021 - 2² = 4043142101017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043142101071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35684870 + ... + 35797991.

It is an arithmetic number, because the mean of its divisors is an integer number (509958737508).

Almost surely, 2^{4043142101021} is an apocalyptic number.

It is an amenable number.

4043142101021 is a deficient number, since it is larger than the sum of its proper divisors (36527799043).

4043142101021 is a wasteful number, since it uses less digits than its factorization.

4043142101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71483371.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4043142101021 its reverse (1201012413404), we get a palindrome (5244154514425).

The spelling of 4043142101021 in words is "four trillion, forty-three billion, one hundred forty-two million, one hundred one thousand, twenty-one".