21322020033001 has 4 divisors (see below), whose sum is σ = 21328230936532. Its totient is φ = 21315809129472.

The previous prime is 21322020032981. The next prime is 21322020033031. The reversal of 21322020033001 is 10033002022312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16749047353600 + 4572972679401 = 4092560^2 + 2138451^2 .

It is a cyclic number.

It is not a de Polignac number, because 21322020033001 - 2¹⁷ = 21322019901929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21322020033001.

It is not an unprimeable number, because it can be changed into a prime (21322020033031) 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 in 3 ways as a sum of consecutive naturals, for example, 3105446616 + ... + 3105453481.

It is an arithmetic number, because the mean of its divisors is an integer number (5332057734133).

Almost surely, 2^{21322020033001} is an apocalyptic number.

It is an amenable number.

21322020033001 is a deficient number, since it is larger than the sum of its proper divisors (6210903531).

21322020033001 is an equidigital number, since it uses as much as digits as its factorization.

21322020033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210903530.

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

Adding to 21322020033001 its reverse (10033002022312), we get a palindrome (31355022055313).

The spelling of 21322020033001 in words is "twenty-one trillion, three hundred twenty-two billion, twenty million, thirty-three thousand, one".