2112102240 has 48 divisors (see below), whose sum is σ = 6653123568. Its totient is φ = 563227136.

The previous prime is 2112102233. The next prime is 2112102271. The reversal of 2112102240 is 422012112.

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 (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199627 + ... + 2200586.

It is an arithmetic number, because the mean of its divisors is an integer number (138606741).

Almost surely, 2^2112102240 is an apocalyptic number.

2112102240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112102240 is an abundant number, since it is smaller than the sum of its proper divisors (4541021328).

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

2112102240 is a wasteful number, since it uses less digits than its factorization.

2112102240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400231 (or 4400223 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2112102240 is about 45957.6135150641. The cubic root of 2112102240 is about 1283.0344348404.

Adding to 2112102240 its reverse (422012112), we get a palindrome (2534114352).

The spelling of 2112102240 in words is "two billion, one hundred twelve million, one hundred two thousand, two hundred forty".