2143144421141 has 4 divisors (see below), whose sum is σ = 2201067243372. Its totient is φ = 2085221598912.

The previous prime is 2143144421081. The next prime is 2143144421149. The reversal of 2143144421141 is 1411244413412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1298346302500 + 844798118641 = 1139450^2 + 919129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143144421141 - 2³⁰ = 2142070679317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143144421098 and 2143144421107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143144421149) 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, 28961411060 + ... + 28961411133.

It is an arithmetic number, because the mean of its divisors is an integer number (550266810843).

Almost surely, 2^{2143144421141} is an apocalyptic number.

It is an amenable number.

2143144421141 is a deficient number, since it is larger than the sum of its proper divisors (57922822231).

2143144421141 is an equidigital number, since it uses as much as digits as its factorization.

2143144421141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57922822230.

The product of its digits is 12288, while the sum is 32.

Adding to 2143144421141 its reverse (1411244413412), we get a palindrome (3554388834553).

The spelling of 2143144421141 in words is "two trillion, one hundred forty-three billion, one hundred forty-four million, four hundred twenty-one thousand, one hundred forty-one".