22112021210001 has 32 divisors (see below), whose sum is σ = 30551180513280. Its totient is φ = 14216668297344.

The previous prime is 22112021209991. The next prime is 22112021210093. The reversal of 22112021210001 is 10001212021122.

It is not a de Polignac number, because 22112021210001 - 2³⁵ = 22077661471633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112021210801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9930990 + ... + 11951928.

It is an arithmetic number, because the mean of its divisors is an integer number (954724391040).

Almost surely, 2^{22112021210001} is an apocalyptic number.

It is an amenable number.

22112021210001 is a deficient number, since it is larger than the sum of its proper divisors (8439159303279).

22112021210001 is a wasteful number, since it uses less digits than its factorization.

22112021210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022125.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22112021210001 its reverse (10001212021122), we get a palindrome (32113233231123).

The spelling of 22112021210001 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, two hundred ten thousand, one".