210120102112 has 24 divisors (see below), whose sum is σ = 418910335200. Its totient is φ = 103730175744.

The previous prime is 210120102083. The next prime is 210120102113. The reversal of 210120102112 is 211201021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120102092 and 210120102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120102113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41556037 + ... + 41561092.

It is an arithmetic number, because the mean of its divisors is an integer number (17454597300).

Almost surely, 2^210120102112 is an apocalyptic number.

It is an amenable number.

210120102112 is a deficient number, since it is larger than the sum of its proper divisors (208790233088).

210120102112 is an equidigital number, since it uses as much as digits as its factorization.

210120102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83117218 (or 83117210 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210120102112 its reverse (211201021012), we get a palindrome (421321123124).

The spelling of 210120102112 in words is "two hundred ten billion, one hundred twenty million, one hundred two thousand, one hundred twelve".