1002021109984 has 48 divisors (see below), whose sum is σ = 1989159379200. Its totient is φ = 496853046144.

The previous prime is 1002021109877. The next prime is 1002021109993. The reversal of 1002021109984 is 4899011202001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863847 + ... + 2340505.

It is an arithmetic number, because the mean of its divisors is an integer number (41440820400).

Almost surely, 2^{1002021109984} is an apocalyptic number.

It is an amenable number.

1002021109984 is a deficient number, since it is larger than the sum of its proper divisors (987138269216).

1002021109984 is a wasteful number, since it uses less digits than its factorization.

1002021109984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477215 (or 477207 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 1002021109984 in words is "one trillion, two billion, twenty-one million, one hundred nine thousand, nine hundred eighty-four".