11021148 has 36 divisors (see below), whose sum is σ = 27966120. Its totient is φ = 3659616.

The previous prime is 11021147. The next prime is 11021167. The reversal of 11021148 is 84112011.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11021148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13611 + ... + 14397.

Almost surely, 2^11021148 is an apocalyptic number.

11021148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11021148 is an abundant number, since it is smaller than the sum of its proper divisors (16944972).

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

11021148 is a wasteful number, since it uses less digits than its factorization.

11021148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11021148 is about 3319.8114404285. The cubic root of 11021148 is about 222.5404412456.

Adding to 11021148 its reverse (84112011), we get a palindrome (95133159).

The spelling of 11021148 in words is "eleven million, twenty-one thousand, one hundred forty-eight".