2103113100 has 288 divisors, whose sum is σ = 7014551040. Its totient is φ = 485548800.

The previous prime is 2103113011. The next prime is 2103113113. The reversal of 2103113100 is 13113012.

It is a super-2 number, since 2×2103113100² = 8846169422783220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 95 ways as a sum of consecutive naturals, for example, 9183786 + ... + 9184014.

It is an arithmetic number, because the mean of its divisors is an integer number (24356080).

Almost surely, 2^2103113100 is an apocalyptic number.

2103113100 is a gapful number since it is divisible by the number (20) 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 2103113100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507275520).

2103113100 is an abundant number, since it is smaller than the sum of its proper divisors (4911437940).

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

2103113100 is a wasteful number, since it uses less digits than its factorization.

2103113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2103113100 is about 45859.7110762813. The cubic root of 2103113100 is about 1281.2116416040.

Adding to 2103113100 its reverse (13113012), we get a palindrome (2116226112).

The spelling of 2103113100 in words is "two billion, one hundred three million, one hundred thirteen thousand, one hundred".