11121198 has 32 divisors (see below), whose sum is σ = 24433920. Its totient is φ = 3346560.

The previous prime is 11121197. The next prime is 11121217. The reversal of 11121198 is 89112111.

11121198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10518 + ... + 11526.

It is an arithmetic number, because the mean of its divisors is an integer number (763560).

Almost surely, 2^11121198 is an apocalyptic number.

11121198 is an abundant number, since it is smaller than the sum of its proper divisors (13312722).

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

11121198 is a wasteful number, since it uses less digits than its factorization.

11121198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its digits is 144, while the sum is 24.

The square root of 11121198 is about 3334.8460234320. The cubic root of 11121198 is about 223.2118212287.

The spelling of 11121198 in words is "eleven million, one hundred twenty-one thousand, one hundred ninety-eight".