1050021321443 has 8 divisors (see below), whose sum is σ = 1050872097600. Its totient is φ = 1049170881088.

The previous prime is 1050021321431. The next prime is 1050021321449. The reversal of 1050021321443 is 3441231200501.

It is a happy number.

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 1050021321443 - 2²⁴ = 1050004544227 is a prime.

It is a super-2 number, since 2×1050021321443² (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 (1050021321449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6371855 + ... + 6534567.

It is an arithmetic number, because the mean of its divisors is an integer number (131359012200).

Almost surely, 2^{1050021321443} is an apocalyptic number.

1050021321443 is a deficient number, since it is larger than the sum of its proper divisors (850776157).

1050021321443 is a wasteful number, since it uses less digits than its factorization.

1050021321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167901.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1050021321443 its reverse (3441231200501), we get a palindrome (4491252521944).

The spelling of 1050021321443 in words is "one trillion, fifty billion, twenty-one million, three hundred twenty-one thousand, four hundred forty-three".