21422444211113 has 8 divisors (see below), whose sum is σ = 24175799110080. Its totient is φ = 18803399307280.

The previous prime is 21422444211109. The next prime is 21422444211199. The reversal of 21422444211113 is 31111244422412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21422444211113 - 2² = 21422444211109 is a prime.

It is a super-2 number, since 2×21422444211113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21422444211113.

It is not an unprimeable number, because it can be changed into a prime (21422444211613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33577498445 + ... + 33577499082.

It is an arithmetic number, because the mean of its divisors is an integer number (3021974888760).

Almost surely, 2^{21422444211113} is an apocalyptic number.

It is an amenable number.

21422444211113 is a deficient number, since it is larger than the sum of its proper divisors (2753354898967).

21422444211113 is a wasteful number, since it uses less digits than its factorization.

21422444211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67154997567.

The product of its digits is 12288, while the sum is 32.

Adding to 21422444211113 its reverse (31111244422412), we get a palindrome (52533688633525).

The spelling of 21422444211113 in words is "twenty-one trillion, four hundred twenty-two billion, four hundred forty-four million, two hundred eleven thousand, one hundred thirteen".