22421024121 has 16 divisors (see below), whose sum is σ = 30226877120. Its totient is φ = 14781787200.

The previous prime is 22421024099. The next prime is 22421024191. The reversal of 22421024121 is 12142012422.

It is not a de Polignac number, because 22421024121 - 2⁵ = 22421024089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22421024191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105471 + ... + 236571.

It is an arithmetic number, because the mean of its divisors is an integer number (1889179820).

Almost surely, 2^22421024121 is an apocalyptic number.

It is an amenable number.

22421024121 is a deficient number, since it is larger than the sum of its proper divisors (7805852999).

22421024121 is a wasteful number, since it uses less digits than its factorization.

22421024121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131736.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22421024121 its reverse (12142012422), we get a palindrome (34563036543).

The spelling of 22421024121 in words is "twenty-two billion, four hundred twenty-one million, twenty-four thousand, one hundred twenty-one".