1021034442044 has 48 divisors (see below), whose sum is σ = 1993341063168. Its totient is φ = 455133896448.

The previous prime is 1021034442013. The next prime is 1021034442059. The reversal of 1021034442044 is 4402444301201.

It is a super-2 number, since 2×1021034442044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021034441998 and 1021034442016.

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 in 15 ways as a sum of consecutive naturals, for example, 3008012 + ... + 3330195.

It is an arithmetic number, because the mean of its divisors is an integer number (41527938816).

Almost surely, 2^{1021034442044} is an apocalyptic number.

It is an amenable number.

1021034442044 is a deficient number, since it is larger than the sum of its proper divisors (972306621124).

1021034442044 is a wasteful number, since it uses less digits than its factorization.

1021034442044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338354 (or 6338352 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1021034442044 its reverse (4402444301201), we get a palindrome (5423478743245).

The spelling of 1021034442044 in words is "one trillion, twenty-one billion, thirty-four million, four hundred forty-two thousand, forty-four".