4121001320443 has 8 divisors (see below), whose sum is σ = 4986757900512. Its totient is φ = 3324505266816.

The previous prime is 4121001320399. The next prime is 4121001320503. The reversal of 4121001320443 is 3440231001214.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4121001320443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4121001320543) 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, 17315131480 + ... + 17315131717.

It is an arithmetic number, because the mean of its divisors is an integer number (623344737564).

Almost surely, 2^{4121001320443} is an apocalyptic number.

4121001320443 is a deficient number, since it is larger than the sum of its proper divisors (865756580069).

4121001320443 is a wasteful number, since it uses less digits than its factorization.

4121001320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34630263221.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4121001320443 its reverse (3440231001214), we get a palindrome (7561232321657).

It can be divided in two parts, 4121001 and 320443, that added together give a palindrome (4441444).

The spelling of 4121001320443 in words is "four trillion, one hundred twenty-one billion, one million, three hundred twenty thousand, four hundred forty-three".