32112104221 has 2 divisors, whose sum is σ = 32112104222. Its totient is φ = 32112104220.

The previous prime is 32112104209. The next prime is 32112104243. The reversal of 32112104221 is 12240121123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29422540900 + 2689563321 = 171530^2 + 51861^2 .

It is a cyclic number.

It is not a de Polignac number, because 32112104221 - 2¹⁹ = 32111579933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32112104201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16056052110 + 16056052111.

It is an arithmetic number, because the mean of its divisors is an integer number (16056052111).

Almost surely, 2^32112104221 is an apocalyptic number.

It is an amenable number.

32112104221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32112104221 is an equidigital number, since it uses as much as digits as its factorization.

32112104221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 32112104221 its reverse (12240121123), we get a palindrome (44352225344).

The spelling of 32112104221 in words is "thirty-two billion, one hundred twelve million, one hundred four thousand, two hundred twenty-one".