1011421424044 has 12 divisors (see below), whose sum is σ = 1792392397600. Its totient is φ = 499309310448.

The previous prime is 1011421424033. The next prime is 1011421424047. The reversal of 1011421424044 is 4404241241101.

It is a super-2 number, since 2×1011421424044² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011421424047) 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 3 ways as a sum of consecutive naturals, for example, 1600350039 + ... + 1600350670.

Almost surely, 2^{1011421424044} is an apocalyptic number.

It is an amenable number.

1011421424044 is a deficient number, since it is larger than the sum of its proper divisors (780970973556).

1011421424044 is a wasteful number, since it uses less digits than its factorization.

1011421424044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200700792 (or 3200700790 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1011421424044 its reverse (4404241241101), we get a palindrome (5415662665145).

The spelling of 1011421424044 in words is "one trillion, eleven billion, four hundred twenty-one million, four hundred twenty-four thousand, forty-four".