21200143411343 has 8 divisors (see below), whose sum is σ = 22834966771008. Its totient is φ = 19565897637024.

The previous prime is 21200143411259. The next prime is 21200143411357. The reversal of 21200143411343 is 34311434100212.

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 21200143411343 - 2³⁴ = 21182963542159 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 (21200143416343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144320096 + ... + 144466917.

It is an arithmetic number, because the mean of its divisors is an integer number (2854370846376).

Almost surely, 2^{21200143411343} is an apocalyptic number.

21200143411343 is a deficient number, since it is larger than the sum of its proper divisors (1634823359665).

21200143411343 is a wasteful number, since it uses less digits than its factorization.

21200143411343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288792673.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21200143411343 its reverse (34311434100212), we get a palindrome (55511577511555).

The spelling of 21200143411343 in words is "twenty-one trillion, two hundred billion, one hundred forty-three million, four hundred eleven thousand, three hundred forty-three".