210243111102143 has 8 divisors (see below), whose sum is σ = 240284110392480. Its totient is φ = 180203679095040.

The previous prime is 210243111102137. The next prime is 210243111102173. The reversal of 210243111102143 is 341201111342012.

It is a happy number.

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 210243111102143 - 2¹² = 210243111098047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210243111102173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391533338 + ... + 392069943.

It is an arithmetic number, because the mean of its divisors is an integer number (30035513799060).

Almost surely, 2^{210243111102143} is an apocalyptic number.

210243111102143 is a deficient number, since it is larger than the sum of its proper divisors (30040999290337).

210243111102143 is an equidigital number, since it uses as much as digits as its factorization.

210243111102143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783641617.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 210243111102143 its reverse (341201111342012), we get a palindrome (551444222444155).

The spelling of 210243111102143 in words is "two hundred ten trillion, two hundred forty-three billion, one hundred eleven million, one hundred two thousand, one hundred forty-three".