210332130221 has 8 divisors (see below), whose sum is σ = 220823494080. Its totient is φ = 199952973792.

The previous prime is 210332130191. The next prime is 210332130259. The reversal of 210332130221 is 122031233012.

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 210332130221 - 2¹⁸ = 210331868077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210332130193 and 210332130202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210332130271) 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, 28048016 + ... + 28055513.

It is an arithmetic number, because the mean of its divisors is an integer number (27602936760).

Almost surely, 2^210332130221 is an apocalyptic number.

It is an amenable number.

210332130221 is a deficient number, since it is larger than the sum of its proper divisors (10491363859).

210332130221 is a wasteful number, since it uses less digits than its factorization.

210332130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56103715.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210332130221 its reverse (122031233012), we get a palindrome (332363363233).

The spelling of 210332130221 in words is "two hundred ten billion, three hundred thirty-two million, one hundred thirty thousand, two hundred twenty-one".