21022102201112 has 32 divisors (see below), whose sum is σ = 40132987444800. Its totient is φ = 10320403065504.

The previous prime is 21022102201099. The next prime is 21022102201117. The reversal of 21022102201112 is 21110220122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022102201117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26537318 + ... + 27318005.

It is an arithmetic number, because the mean of its divisors is an integer number (1254155857650).

Almost surely, 2^{21022102201112} is an apocalyptic number.

It is an amenable number.

21022102201112 is a deficient number, since it is larger than the sum of its proper divisors (19110885243688).

21022102201112 is a wasteful number, since it uses less digits than its factorization.

21022102201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53856215 (or 53856211 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21022102201112 its reverse (21110220122012), we get a palindrome (42132322323124).

The spelling of 21022102201112 in words is "twenty-one trillion, twenty-two billion, one hundred two million, two hundred one thousand, one hundred twelve".