2102002112 has 28 divisors (see below), whose sum is σ = 4767041520. Its totient is φ = 900857856.

The previous prime is 2102002109. The next prime is 2102002139. The reversal of 2102002112 is 2112002012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 2102002093 and 2102002102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345537 + ... + 2346432.

Almost surely, 2^2102002112 is an apocalyptic number.

It is an amenable number.

2102002112 is an abundant number, since it is smaller than the sum of its proper divisors (2665039408).

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

2102002112 is an equidigital number, since it uses as much as digits as its factorization.

2102002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691988 (or 4691978 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2102002112 is about 45847.5965782286. The cubic root of 2102002112 is about 1280.9859980923.

Adding to 2102002112 its reverse (2112002012), we get a palindrome (4214004124).

The spelling of 2102002112 in words is "two billion, one hundred two million, two thousand, one hundred twelve".