210421104143 has 8 divisors (see below), whose sum is σ = 221830348800. Its totient is φ = 199300701240.

The previous prime is 210421104121. The next prime is 210421104149. The reversal of 210421104143 is 341401124012.

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 210421104143 - 2¹⁸ = 210420841999 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 (210421104149) 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, 72208943 + ... + 72211856.

It is an arithmetic number, because the mean of its divisors is an integer number (27728793600).

Almost surely, 2^210421104143 is an apocalyptic number.

210421104143 is a deficient number, since it is larger than the sum of its proper divisors (11409244657).

210421104143 is a wasteful number, since it uses less digits than its factorization.

210421104143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144420877.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 210421104143 its reverse (341401124012), we get a palindrome (551822228155).

The spelling of 210421104143 in words is "two hundred ten billion, four hundred twenty-one million, one hundred four thousand, one hundred forty-three".