20112100000110 has 24 divisors (see below), whose sum is σ = 52291460000520. Its totient is φ = 5363226666672.

The previous prime is 20112100000087. The next prime is 20112100000117. The reversal of 20112100000110 is 1100000121102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20112100000092 and 20112100000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112100000117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111733888800 + ... + 111733888979.

It is an arithmetic number, because the mean of its divisors is an integer number (2178810833355).

Almost surely, 2^{20112100000110} is an apocalyptic number.

20112100000110 is an abundant number, since it is smaller than the sum of its proper divisors (32179360000410).

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

20112100000110 is a wasteful number, since it uses less digits than its factorization.

20112100000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223467777792 (or 223467777789 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20112100000110 its reverse (1100000121102), we get a palindrome (21212100121212).

The spelling of 20112100000110 in words is "twenty trillion, one hundred twelve billion, one hundred million, one hundred ten", and thus it is an aban number.