32001022021 has 2 divisors, whose sum is σ = 32001022022. Its totient is φ = 32001022020.

The previous prime is 32001022013. The next prime is 32001022033. The reversal of 32001022021 is 12022010023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28067976225 + 3933045796 = 167535^2 + 62714^2 .

It is an emirp because it is prime and its reverse (12022010023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32001022021 - 2³ = 32001022013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32001021992 and 32001022010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32001022321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000511010 + 16000511011.

It is an arithmetic number, because the mean of its divisors is an integer number (16000511011).

Almost surely, 2^32001022021 is an apocalyptic number.

It is an amenable number.

32001022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32001022021 is an equidigital number, since it uses as much as digits as its factorization.

32001022021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 32001022021 its reverse (12022010023), we get a palindrome (44023032044).

The spelling of 32001022021 in words is "thirty-two billion, one million, twenty-two thousand, twenty-one".