2112102018 has 24 divisors (see below), whose sum is σ = 4928238588. Its totient is φ = 649877472.

The previous prime is 2112101923. The next prime is 2112102019. The reversal of 2112102018 is 8102012112.

2112102018 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2112045849 + 56169 = 45957^2 + 237^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2112102019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4512805 + ... + 4513272.

Almost surely, 2^2112102018 is an apocalyptic number.

2112102018 is an abundant number, since it is smaller than the sum of its proper divisors (2816136570).

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

2112102018 is a wasteful number, since it uses less digits than its factorization.

2112102018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026098 (or 9026095 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 2112102018 is about 45957.6110997950. The cubic root of 2112102018 is about 1283.0343898878.

The spelling of 2112102018 in words is "two billion, one hundred twelve million, one hundred two thousand, eighteen".