1021333444044 has 24 divisors (see below), whose sum is σ = 2383784854080. Its totient is φ = 340348269264.

The previous prime is 1021333444039. The next prime is 1021333444051. The reversal of 1021333444044 is 4404443331201.

It is a junction number, because it is equal to n+sod(n) for n = 1021333443996 and 1021333444014.

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 in 7 ways as a sum of consecutive naturals, for example, 11982274 + ... + 12067209.

It is an arithmetic number, because the mean of its divisors is an integer number (99324368920).

Almost surely, 2^{1021333444044} is an apocalyptic number.

It is an amenable number.

1021333444044 is an abundant number, since it is smaller than the sum of its proper divisors (1362451410036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021333444044 is a wasteful number, since it uses less digits than its factorization.

1021333444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24053029 (or 24053027 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1021333444044 its reverse (4404443331201), we get a palindrome (5425776775245).

The spelling of 1021333444044 in words is "one trillion, twenty-one billion, three hundred thirty-three million, four hundred forty-four thousand, forty-four".