1001042204443 has 4 divisors (see below), whose sum is σ = 1025457868008. Its totient is φ = 976626540880.

The previous prime is 1001042204441. The next prime is 1001042204473. The reversal of 1001042204443 is 3444022401001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001042204443 - 2¹ = 1001042204441 is a prime.

It is a super-2 number, since 2×1001042204443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001042204441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12207831721 + ... + 12207831802.

It is an arithmetic number, because the mean of its divisors is an integer number (256364467002).

Almost surely, 2^{1001042204443} is an apocalyptic number.

1001042204443 is a deficient number, since it is larger than the sum of its proper divisors (24415663565).

1001042204443 is an equidigital number, since it uses as much as digits as its factorization.

1001042204443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24415663564.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1001042204443 its reverse (3444022401001), we get a palindrome (4445064605444).

The spelling of 1001042204443 in words is "one trillion, one billion, forty-two million, two hundred four thousand, four hundred forty-three".