22121242004434 has 8 divisors (see below), whose sum is σ = 33221986180848. Its totient is φ = 11047246610820.

The previous prime is 22121242004429. The next prime is 22121242004531. The reversal of 22121242004434 is 43440024212122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22121242004396 and 22121242004405.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6687193632 + ... + 6687196939.

It is an arithmetic number, because the mean of its divisors is an integer number (4152748272606).

Almost surely, 2^{22121242004434} is an apocalyptic number.

22121242004434 is a deficient number, since it is larger than the sum of its proper divisors (11100744176414).

22121242004434 is a wasteful number, since it uses less digits than its factorization.

22121242004434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13374391400.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 22121242004434 its reverse (43440024212122), we get a palindrome (65561266216556).

The spelling of 22121242004434 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty-two million, four thousand, four hundred thirty-four".