2021442104231 has 8 divisors (see below), whose sum is σ = 2252128921344. Its totient is φ = 1798575179320.

The previous prime is 2021442104221. The next prime is 2021442104249. The reversal of 2021442104231 is 1324012441202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021442104231 - 2³⁴ = 2004262235047 is a prime.

It is a super-2 number, since 2×2021442104231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021442104231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021442104221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954972505 + ... + 1954973538.

It is an arithmetic number, because the mean of its divisors is an integer number (281516115168).

Almost surely, 2^{2021442104231} is an apocalyptic number.

2021442104231 is a deficient number, since it is larger than the sum of its proper divisors (230686817113).

2021442104231 is a wasteful number, since it uses less digits than its factorization.

2021442104231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909946101.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2021442104231 its reverse (1324012441202), we get a palindrome (3345454545433).

The spelling of 2021442104231 in words is "two trillion, twenty-one billion, four hundred forty-two million, one hundred four thousand, two hundred thirty-one".