2103100 has 18 divisors (see below), whose sum is σ = 4563944. Its totient is φ = 841200.

The previous prime is 2103083. The next prime is 2103103. The reversal of 2103100 is 13012.

It is a super-2 number, since 2×2103100² = 8846059220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10416 + ... + 10615.

2^2103100 is an apocalyptic number.

2103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103100 is an abundant number, since it is smaller than the sum of its proper divisors (2460844).

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

2103100 is a wasteful number, since it uses less digits than its factorization.

2103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21045 (or 21038 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2103100 is about 1450.2068817931. The cubic root of 2103100 is about 128.1208981435.

Adding to 2103100 its reverse (13012), we get a palindrome (2116112).

The spelling of 2103100 in words is "two million, one hundred three thousand, one hundred".