11009900 has 36 divisors (see below), whose sum is σ = 26066040. Its totient is φ = 4003200.

The previous prime is 11009881. The next prime is 11009927. The reversal of 11009900 is 990011.

It is a Harshad number since it is a multiple of its sum of digits (20).

11009900 is a modest number, since divided by 9900 gives 1100 as remainder.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3905 + ... + 6104.

Almost surely, 2^11009900 is an apocalyptic number.

11009900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11009900 is an abundant number, since it is smaller than the sum of its proper divisors (15056140).

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

11009900 is a wasteful number, since it uses less digits than its factorization.

11009900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034 (or 10027 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 11009900 is about 3318.1169358538. The cubic root of 11009900 is about 222.4647084538.

Adding to 11009900 its reverse (990011), we get a palindrome (11999911).

It can be divided in two parts, 1100 and 9900, that multiplied together give a square (10890000 = 3300²).

The spelling of 11009900 in words is "eleven million, nine thousand, nine hundred".