20110102112 has 24 divisors (see below), whose sum is σ = 39600590400. Its totient is φ = 10052809344.

The previous prime is 20110102109. The next prime is 20110102127. The reversal of 20110102112 is 21120101102.

It is a junction number, because it is equal to n+sod(n) for n = 20110102093 and 20110102102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80714 + ... + 216182.

It is an arithmetic number, because the mean of its divisors is an integer number (1650024600).

Almost surely, 2^20110102112 is an apocalyptic number.

It is an amenable number.

20110102112 is a deficient number, since it is larger than the sum of its proper divisors (19490488288).

20110102112 is a wasteful number, since it uses less digits than its factorization.

20110102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140118 (or 140110 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20110102112 its reverse (21120101102), we get a palindrome (41230203214).

The spelling of 20110102112 in words is "twenty billion, one hundred ten million, one hundred two thousand, one hundred twelve".