21344222433112 has 8 divisors (see below), whose sum is σ = 40020417062100. Its totient is φ = 10672111216552.

The previous prime is 21344222433077. The next prime is 21344222433113. The reversal of 21344222433112 is 21133422244312.

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 (21344222433113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334013902062 + ... + 1334013902077.

Almost surely, 2^{21344222433112} is an apocalyptic number.

It is an amenable number.

21344222433112 is a deficient number, since it is larger than the sum of its proper divisors (18676194628988).

21344222433112 is a wasteful number, since it uses less digits than its factorization.

21344222433112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668027804145 (or 2668027804141 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

Adding to 21344222433112 its reverse (21133422244312), we get a palindrome (42477644677424).

The spelling of 21344222433112 in words is "twenty-one trillion, three hundred forty-four billion, two hundred twenty-two million, four hundred thirty-three thousand, one hundred twelve".