4001043240101 has 4 divisors (see below), whose sum is σ = 4130109151104. Its totient is φ = 3871977329100.

The previous prime is 4001043240079. The next prime is 4001043240137. The reversal of 4001043240101 is 1010423401004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001043240101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001043270101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64532955455 + ... + 64532955516.

It is an arithmetic number, because the mean of its divisors is an integer number (1032527287776).

Almost surely, 2^{4001043240101} is an apocalyptic number.

It is an amenable number.

4001043240101 is a deficient number, since it is larger than the sum of its proper divisors (129065911003).

4001043240101 is a wasteful number, since it uses less digits than its factorization.

4001043240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129065911002.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4001043240101 its reverse (1010423401004), we get a palindrome (5011466641105).

The spelling of 4001043240101 in words is "four trillion, one billion, forty-three million, two hundred forty thousand, one hundred one".