21110113014112 has 96 divisors (see below), whose sum is σ = 44064518641920. Its totient is φ = 9937637591040.

The previous prime is 21110113014031. The next prime is 21110113014119. The reversal of 21110113014112 is 21141031101112.

It is a super-2 number, since 2×21110113014112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21110113014112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110113014119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659077714 + ... + 659109742.

It is an arithmetic number, because the mean of its divisors is an integer number (459005402520).

Almost surely, 2^{21110113014112} 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 21110113014112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22032259320960).

21110113014112 is an abundant number, since it is smaller than the sum of its proper divisors (22954405627808).

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

21110113014112 is a wasteful number, since it uses less digits than its factorization.

21110113014112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50064 (or 50056 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 21110113014112 its reverse (21141031101112), we get a palindrome (42251144115224).

The spelling of 21110113014112 in words is "twenty-one trillion, one hundred ten billion, one hundred thirteen million, fourteen thousand, one hundred twelve".