22020100001 has 4 divisors (see below), whose sum is σ = 22024608900. Its totient is φ = 22015591104.

The previous prime is 22020099979. The next prime is 22020100013. The reversal of 22020100001 is 10000102022.

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 6879043600 + 15141056401 = 82940^2 + 123049^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020100001 - 2²² = 22015905697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020100061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247116 + ... + 2256893.

It is an arithmetic number, because the mean of its divisors is an integer number (5506152225).

Almost surely, 2^22020100001 is an apocalyptic number.

It is an amenable number.

22020100001 is a deficient number, since it is larger than the sum of its proper divisors (4508899).

22020100001 is an equidigital number, since it uses as much as digits as its factorization.

22020100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508898.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 22020100001 its reverse (10000102022), we get a palindrome (32020202023).

The spelling of 22020100001 in words is "twenty-two billion, twenty million, one hundred thousand, one".