21060081112 has 32 divisors (see below), whose sum is σ = 45140850720. Its totient is φ = 9023328000.

The previous prime is 21060081103. The next prime is 21060081127. The reversal of 21060081112 is 21118006012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 168612 + ... + 265612.

It is an arithmetic number, because the mean of its divisors is an integer number (1410651585).

Almost surely, 2^21060081112 is an apocalyptic number.

It is an amenable number.

21060081112 is an abundant number, since it is smaller than the sum of its proper divisors (24080769608).

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

21060081112 is a wasteful number, since it uses less digits than its factorization.

21060081112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100891 (or 100887 counting only the distinct ones).

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

Adding to 21060081112 its reverse (21118006012), we get a palindrome (42178087124).

The spelling of 21060081112 in words is "twenty-one billion, sixty million, eighty-one thousand, one hundred twelve".