2021144340341 has 4 divisors (see below), whose sum is σ = 2309879246112. Its totient is φ = 1732409434572.

The previous prime is 2021144340323. The next prime is 2021144340409. The reversal of 2021144340341 is 1430434411202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021144340341 - 2⁶ = 2021144340277 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 (2021144340541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144367452875 + ... + 144367452888.

It is an arithmetic number, because the mean of its divisors is an integer number (577469811528).

Almost surely, 2^{2021144340341} is an apocalyptic number.

It is an amenable number.

2021144340341 is a deficient number, since it is larger than the sum of its proper divisors (288734905771).

2021144340341 is an equidigital number, since it uses as much as digits as its factorization.

2021144340341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288734905770.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2021144340341 its reverse (1430434411202), we get a palindrome (3451578751543).

The spelling of 2021144340341 in words is "two trillion, twenty-one billion, one hundred forty-four million, three hundred forty thousand, three hundred forty-one".