210032313031221 has 64 divisors (see below), whose sum is σ = 298522988974080. Its totient is φ = 130896689172480.

The previous prime is 210032313031217. The next prime is 210032313031267. The reversal of 210032313031221 is 122130313230012.

It is not a de Polignac number, because 210032313031221 - 2² = 210032313031217 is a prime.

It is a super-2 number, since 2×210032313031221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210032313031191 and 210032313031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210032313031201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6488670925 + ... + 6488703293.

It is an arithmetic number, because the mean of its divisors is an integer number (4664421702720).

Almost surely, 2^{210032313031221} is an apocalyptic number.

It is an amenable number.

210032313031221 is a deficient number, since it is larger than the sum of its proper divisors (88490675942859).

210032313031221 is a wasteful number, since it uses less digits than its factorization.

210032313031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34106.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 210032313031221 its reverse (122130313230012), we get a palindrome (332162626261233).

The spelling of 210032313031221 in words is "two hundred ten trillion, thirty-two billion, three hundred thirteen million, thirty-one thousand, two hundred twenty-one".