32213036021 has 2 divisors, whose sum is σ = 32213036022. Its totient is φ = 32213036020.

The previous prime is 32213035997. The next prime is 32213036033. The reversal of 32213036021 is 12063031223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29544796996 + 2668239025 = 171886^2 + 51655^2 .

It is an emirp because it is prime and its reverse (12063031223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32213036021 - 2⁶ = 32213035957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32213036521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106518010 + 16106518011.

It is an arithmetic number, because the mean of its divisors is an integer number (16106518011).

Almost surely, 2^32213036021 is an apocalyptic number.

It is an amenable number.

32213036021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32213036021 is an equidigital number, since it uses as much as digits as its factorization.

32213036021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 32213036021 its reverse (12063031223), we get a palindrome (44276067244).

The spelling of 32213036021 in words is "thirty-two billion, two hundred thirteen million, thirty-six thousand, twenty-one".