210112120110020 has 48 divisors (see below), whose sum is σ = 468165824663040. Its totient is φ = 78935895535104.

The previous prime is 210112120109959. The next prime is 210112120110047. The reversal of 210112120110020 is 20011021211012.

It is a junction number, because it is equal to n+sod(n) for n = 210112120109977 and 210112120110004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644906894 + ... + 645232613.

It is an arithmetic number, because the mean of its divisors is an integer number (9753454680480).

Almost surely, 2^{210112120110020} is an apocalyptic number.

210112120110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112120110020 is an abundant number, since it is smaller than the sum of its proper divisors (258053704553020).

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

210112120110020 is a wasteful number, since it uses less digits than its factorization.

210112120110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290140012 (or 1290140010 counting only the distinct ones).

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

Adding to 210112120110020 its reverse (20011021211012), we get a palindrome (230123141321032).

The spelling of 210112120110020 in words is "two hundred ten trillion, one hundred twelve billion, one hundred twenty million, one hundred ten thousand, twenty".