2100142112 has 24 divisors (see below), whose sum is σ = 4135977216. Its totient is φ = 1049735232.

The previous prime is 2100142103. The next prime is 2100142123. The reversal of 2100142112 is 2112410012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113753 + ... + 130919.

It is an arithmetic number, because the mean of its divisors is an integer number (172332384).

Almost surely, 2^2100142112 is an apocalyptic number.

It is an amenable number.

2100142112 is a deficient number, since it is larger than the sum of its proper divisors (2035835104).

2100142112 is a wasteful number, since it uses less digits than its factorization.

2100142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21000 (or 20992 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2100142112 is about 45827.3074923675. The cubic root of 2100142112 is about 1280.6080509496.

Adding to 2100142112 its reverse (2112410012), we get a palindrome (4212552124).

The spelling of 2100142112 in words is "two billion, one hundred million, one hundred forty-two thousand, one hundred twelve".