22121242004439 has 12 divisors (see below), whose sum is σ = 31956696057000. Its totient is φ = 14745745005264.

The previous prime is 22121242004429. The next prime is 22121242004531. The reversal of 22121242004439 is 93440024212122.

22121242004439 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 1 + 2 + 4 + 200 + 443 + 9 = 666.

It is not a de Polignac number, because 22121242004439 - 2⁴ = 22121242004423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121242004429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145725289 + ... + 145877010.

It is an arithmetic number, because the mean of its divisors is an integer number (2663058004750).

Almost surely, 2^{22121242004439} is an apocalyptic number.

22121242004439 is a deficient number, since it is larger than the sum of its proper divisors (9835454052561).

22121242004439 is a wasteful number, since it uses less digits than its factorization.

22121242004439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291610734 (or 291610731 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 22121242004439 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty-two million, four thousand, four hundred thirty-nine".