22121242004408 has 8 divisors (see below), whose sum is σ = 41477328758280. Its totient is φ = 11060621002200.

The previous prime is 22121242004401. The next prime is 22121242004413. The reversal of 22121242004408 is 80440024212122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121242004401) 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 as a sum of consecutive naturals, namely, 1382577625268 + ... + 1382577625283.

It is an arithmetic number, because the mean of its divisors is an integer number (5184666094785).

Almost surely, 2^{22121242004408} is an apocalyptic number.

It is an amenable number.

22121242004408 is a deficient number, since it is larger than the sum of its proper divisors (19356086753872).

22121242004408 is a wasteful number, since it uses less digits than its factorization.

22121242004408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765155250557 (or 2765155250553 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 22121242004408 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty-two million, four thousand, four hundred eight".