11121167 has 6 divisors (see below), whose sum is σ = 11626272. Its totient is φ = 10637132.

The previous prime is 11121163. The next prime is 11121197. The reversal of 11121167 is 76112111.

It is a happy number.

11121167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11121167 - 2² = 11121163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9983 + ... + 11040.

It is an arithmetic number, because the mean of its divisors is an integer number (1937712).

Almost surely, 2^11121167 is an apocalyptic number.

11121167 is a deficient number, since it is larger than the sum of its proper divisors (505105).

11121167 is an equidigital number, since it uses as much as digits as its factorization.

11121167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21069 (or 21046 counting only the distinct ones).

The product of its digits is 84, while the sum is 20.

The square root of 11121167 is about 3334.8413755380. The cubic root of 11121167 is about 223.2116138298.

Adding to 11121167 its reverse (76112111), we get a palindrome (87233278).

The spelling of 11121167 in words is "eleven million, one hundred twenty-one thousand, one hundred sixty-seven".