2102142112 has 48 divisors (see below), whose sum is σ = 4746676032. Its totient is φ = 897707520.

The previous prime is 2102142103. The next prime is 2102142131. The reversal of 2102142112 is 2112412012.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 7 ways as a sum of consecutive naturals, for example, 46812 + ... + 79972.

It is an arithmetic number, because the mean of its divisors is an integer number (98889084).

Almost surely, 2^2102142112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102142112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2373338016).

2102142112 is an abundant number, since it is smaller than the sum of its proper divisors (2644533920).

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

2102142112 is a wasteful number, since it uses less digits than its factorization.

2102142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33461 (or 33453 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2102142112 is about 45849.1233503979. The cubic root of 2102142112 is about 1281.0144367029.

Adding to 2102142112 its reverse (2112412012), we get a palindrome (4214554124).

The spelling of 2102142112 in words is "two billion, one hundred two million, one hundred forty-two thousand, one hundred twelve".