2102110112120 has 32 divisors (see below), whose sum is σ = 4775667642720. Its totient is φ = 832680508800.

The previous prime is 2102110112083. The next prime is 2102110112143. The reversal of 2102110112120 is 212110112012.

It is a junction number, because it is equal to n+sod(n) for n = 2102110112095 and 2102110112104.

It is a congruent number.

It is an unprimeable number.

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, 255106331 + ... + 255114570.

It is an arithmetic number, because the mean of its divisors is an integer number (149239613835).

Almost surely, 2^{2102110112120} is an apocalyptic number.

2102110112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102110112120 is an abundant number, since it is smaller than the sum of its proper divisors (2673557530600).

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

2102110112120 is a wasteful number, since it uses less digits than its factorization.

2102110112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510221015 (or 510221011 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102110112120 its reverse (212110112012), we get a palindrome (2314220224132).

The spelling of 2102110112120 in words is "two trillion, one hundred two billion, one hundred ten million, one hundred twelve thousand, one hundred twenty".