2103136112 has 80 divisors (see below), whose sum is σ = 5125600512. Its totient is φ = 812098560.

The previous prime is 2103136109. The next prime is 2103136153. The reversal of 2103136112 is 2116313012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131663 + ... + 146769.

Almost surely, 2^2103136112 is an apocalyptic number.

2103136112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103136112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2562800256).

2103136112 is an abundant number, since it is smaller than the sum of its proper divisors (3022464400).

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

2103136112 is a wasteful number, since it uses less digits than its factorization.

2103136112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15246 (or 15240 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2103136112 is about 45859.9619712010. The cubic root of 2103136112 is about 1281.2163145393.

Adding to 2103136112 its reverse (2116313012), we get a palindrome (4219449124).

Subtracting 2103136112 from its reverse (2116313012), we obtain a square (13176900 = 3630²).

The spelling of 2103136112 in words is "two billion, one hundred three million, one hundred thirty-six thousand, one hundred twelve".