1021042130044 has 24 divisors (see below), whose sum is σ = 1885112893440. Its totient is φ = 482559755184.

The previous prime is 1021042129979. The next prime is 1021042130071. The reversal of 1021042130044 is 4400312401201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021042129997 and 1021042130024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15129724 + ... + 15197059.

It is an arithmetic number, because the mean of its divisors is an integer number (78546370560).

Almost surely, 2^{1021042130044} is an apocalyptic number.

It is an amenable number.

1021042130044 is a deficient number, since it is larger than the sum of its proper divisors (864070763396).

1021042130044 is a wasteful number, since it uses less digits than its factorization.

1021042130044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30327249 (or 30327247 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1021042130044 its reverse (4400312401201), we get a palindrome (5421354531245).

The spelling of 1021042130044 in words is "one trillion, twenty-one billion, forty-two million, one hundred thirty thousand, forty-four".