210210244303421 has 8 divisors (see below), whose sum is σ = 216992119538688. Its totient is φ = 203428425294000.

The previous prime is 210210244303387. The next prime is 210210244303519. The reversal of 210210244303421 is 124303442012012.

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 210210244303421 - 2¹⁴ = 210210244287037 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 (210210244303921) 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, 6392150 + ... + 21477431.

It is an arithmetic number, because the mean of its divisors is an integer number (27124014942336).

Almost surely, 2^{210210244303421} is an apocalyptic number.

It is an amenable number.

210210244303421 is a deficient number, since it is larger than the sum of its proper divisors (6781875235267).

210210244303421 is a wasteful number, since it uses less digits than its factorization.

210210244303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28112923.

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

Adding to 210210244303421 its reverse (124303442012012), we get a palindrome (334513686315433).

The spelling of 210210244303421 in words is "two hundred ten trillion, two hundred ten billion, two hundred forty-four million, three hundred three thousand, four hundred twenty-one".