22081110016 has 136 divisors (see below), whose sum is σ = 51002347520. Its totient is φ = 9364045824.

The previous prime is 22081110013. The next prime is 22081110043. The reversal of 22081110016 is 61001118022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22081110013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58261315 + ... + 58261693.

Almost surely, 2^22081110016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22081110016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25501173760).

22081110016 is an abundant number, since it is smaller than the sum of its proper divisors (28921237504).

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

22081110016 is an frugal number, since it uses more digits than its factorization.

22081110016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 22081110016 its reverse (61001118022), we get a palindrome (83082228038).

The spelling of 22081110016 in words is "twenty-two billion, eighty-one million, one hundred ten thousand, sixteen".