22020121001 has 8 divisors (see below), whose sum is σ = 22091280000. Its totient is φ = 21949071120.

The previous prime is 22020120959. The next prime is 22020121033. The reversal of 22020121001 is 10012102022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020121001 - 2¹⁸ = 22019858857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020121901) 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 7 ways as a sum of consecutive naturals, for example, 387056 + ... + 440286.

It is an arithmetic number, because the mean of its divisors is an integer number (2761410000).

Almost surely, 2^22020121001 is an apocalyptic number.

It is an amenable number.

22020121001 is a deficient number, since it is larger than the sum of its proper divisors (71158999).

22020121001 is an equidigital number, since it uses as much as digits as its factorization.

22020121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54559.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22020121001 its reverse (10012102022), we get a palindrome (32032223023).

The spelling of 22020121001 in words is "twenty-two billion, twenty million, one hundred twenty-one thousand, one".