2120102112 has 48 divisors (see below), whose sum is σ = 5578593552. Its totient is φ = 705008640.

The previous prime is 2120102111. The next prime is 2120102129. The reversal of 2120102112 is 2112010212.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120102111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14188 + ... + 66644.

It is an arithmetic number, because the mean of its divisors is an integer number (116220699).

Almost surely, 2^2120102112 is an apocalyptic number.

It is an amenable number.

2120102112 is an abundant number, since it is smaller than the sum of its proper divisors (3458491440).

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

2120102112 is a wasteful number, since it uses less digits than its factorization.

2120102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52891 (or 52883 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2120102112 is about 46044.5665849946. The cubic root of 2120102112 is about 1284.6522825870.

Adding to 2120102112 its reverse (2112010212), we get a palindrome (4232112324).

The spelling of 2120102112 in words is "two billion, one hundred twenty million, one hundred two thousand, one hundred twelve".