11021198 has 8 divisors (see below), whose sum is σ = 16547760. Its totient is φ = 5505280.

The previous prime is 11021183. The next prime is 11021249. The reversal of 11021198 is 89112011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 863 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (2068470).

Almost surely, 2^11021198 is an apocalyptic number.

11021198 is a deficient number, since it is larger than the sum of its proper divisors (5526562).

11021198 is a wasteful number, since it uses less digits than its factorization.

11021198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 11021198 is about 3319.8189709681. The cubic root of 11021198 is about 222.5407777805.

The spelling of 11021198 in words is "eleven million, twenty-one thousand, one hundred ninety-eight".