2140424442021 has 16 divisors (see below), whose sum is σ = 2899074320384. Its totient is φ = 1404400030704.

The previous prime is 2140424442011. The next prime is 2140424442053. The reversal of 2140424442021 is 1202444240412.

It is not a de Polignac number, because 2140424442021 - 2⁷ = 2140424441893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2140424442021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140424442011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4515541 + ... + 4966986.

It is an arithmetic number, because the mean of its divisors is an integer number (181192145024).

Almost surely, 2^{2140424442021} is an apocalyptic number.

It is an amenable number.

2140424442021 is a deficient number, since it is larger than the sum of its proper divisors (758649878363).

2140424442021 is a wasteful number, since it uses less digits than its factorization.

2140424442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483720.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 2140424442021 its reverse (1202444240412), we get a palindrome (3342868682433).

The spelling of 2140424442021 in words is "two trillion, one hundred forty billion, four hundred twenty-four million, four hundred forty-two thousand, twenty-one".