22121024343042 has 8 divisors (see below), whose sum is σ = 44242048686096. Its totient is φ = 7373674781012.

The previous prime is 22121024343023. The next prime is 22121024343043. The reversal of 22121024343042 is 24034342012122.

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

22121024343042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22121024343043) 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 3 ways as a sum of consecutive naturals, for example, 1843418695248 + ... + 1843418695259.

It is an arithmetic number, because the mean of its divisors is an integer number (5530256085762).

Almost surely, 2^{22121024343042} is an apocalyptic number.

22121024343042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121024343042 is a wasteful number, since it uses less digits than its factorization.

22121024343042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686837390512.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22121024343042 its reverse (24034342012122), we get a palindrome (46155366355164).

The spelling of 22121024343042 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-four million, three hundred forty-three thousand, forty-two".