2021002101983 has 8 divisors (see below), whose sum is σ = 2086247815296. Its totient is φ = 1955759644800.

The previous prime is 2021002101931. The next prime is 2021002101991. The reversal of 2021002101983 is 3891012001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021002101983 - 2⁶ = 2021002101919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021002100983) 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 7 ways as a sum of consecutive naturals, for example, 480035 + ... + 2066987.

It is an arithmetic number, because the mean of its divisors is an integer number (260780976912).

Almost surely, 2^{2021002101983} is an apocalyptic number.

2021002101983 is a deficient number, since it is larger than the sum of its proper divisors (65245713313).

2021002101983 is a wasteful number, since it uses less digits than its factorization.

2021002101983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628065.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 2021002101983 in words is "two trillion, twenty-one billion, two million, one hundred one thousand, nine hundred eighty-three".