2021330442044 has 6 divisors (see below), whose sum is σ = 3537328273584. Its totient is φ = 1010665221020.

The previous prime is 2021330442023. The next prime is 2021330442067. The reversal of 2021330442044 is 4402440331202.

It is a junction number, because it is equal to n+sod(n) for n = 2021330441998 and 2021330442016.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 252666305252 + ... + 252666305259.

It is an arithmetic number, because the mean of its divisors is an integer number (589554712264).

Almost surely, 2^{2021330442044} is an apocalyptic number.

It is an amenable number.

2021330442044 is a deficient number, since it is larger than the sum of its proper divisors (1515997831540).

2021330442044 is a wasteful number, since it uses less digits than its factorization.

2021330442044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505332610515 (or 505332610513 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2021330442044 its reverse (4402440331202), we get a palindrome (6423770773246).

The spelling of 2021330442044 in words is "two trillion, twenty-one billion, three hundred thirty million, four hundred forty-two thousand, forty-four".