2108100 has 36 divisors (see below), whose sum is σ = 6100304. Its totient is φ = 562080.

The previous prime is 2108089. The next prime is 2108123. The reversal of 2108100 is 18012.

2108100 = T₈ + T₉ + ... + T₂₃₂.

It is a happy number.

2108100 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×2108100² = 8888171220000, 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 (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3214 + ... + 3813.

2^2108100 is an apocalyptic number.

2108100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108100 is an abundant number, since it is smaller than the sum of its proper divisors (3992204).

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

2108100 is a wasteful number, since it uses less digits than its factorization.

2108100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044 (or 7037 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2108100 is about 1451.9297503667. The cubic root of 2108100 is about 128.2223511563. Note that the first 3 decimals are identical.

The spelling of 2108100 in words is "two million, one hundred eight thousand, one hundred".