11133100 has 72 divisors (see below), whose sum is σ = 27342000. Its totient is φ = 3897600.

The previous prime is 11133077. The next prime is 11133119. The reversal of 11133100 is 133111.

It is a super-2 number, since 2×11133100² = 247891831220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31726 + ... + 32074.

It is an arithmetic number, because the mean of its divisors is an integer number (379750).

Almost surely, 2^11133100 is an apocalyptic number.

11133100 is a gapful number since it is divisible by the number (10) 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 11133100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13671000).

11133100 is an abundant number, since it is smaller than the sum of its proper divisors (16208900).

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

11133100 is a wasteful number, since it uses less digits than its factorization.

11133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 11133100 is about 3336.6300364290. The cubic root of 11133100 is about 223.2914205647.

Adding to 11133100 its reverse (133111), we get a palindrome (11266211).

It can be divided in two parts, 11 and 133100, that multiplied together give a square (1464100 = 1210²).

The spelling of 11133100 in words is "eleven million, one hundred thirty-three thousand, one hundred".