22032031300021 has 2 divisors, whose sum is σ = 22032031300022. Its totient is φ = 22032031300020.

The previous prime is 22032031299991. The next prime is 22032031300061. The reversal of 22032031300021 is 12000313023022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21956590437796 + 75440862225 = 4685786^2 + 274665^2 .

It is a cyclic number.

It is not a de Polignac number, because 22032031300021 - 2¹⁷ = 22032031168949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22032031300061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016015650010 + 11016015650011.

It is an arithmetic number, because the mean of its divisors is an integer number (11016015650011).

Almost surely, 2^{22032031300021} is an apocalyptic number.

It is an amenable number.

22032031300021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22032031300021 is an equidigital number, since it uses as much as digits as its factorization.

22032031300021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22032031300021 its reverse (12000313023022), we get a palindrome (34032344323043).

The spelling of 22032031300021 in words is "twenty-two trillion, thirty-two billion, thirty-one million, three hundred thousand, twenty-one".