11180121 has 8 divisors (see below), whose sum is σ = 14947680. Its totient is φ = 7432992.

The previous prime is 11180111. The next prime is 11180131. The reversal of 11180121 is 12108111.

It is an interprime number because it is at equal distance from previous prime (11180111) and next prime (11180131).

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

It is not a de Polignac number, because 11180121 - 2¹³ = 11171929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11180121.

It is not an unprimeable number, because it can be changed into a prime (11180111) 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 7 ways as a sum of consecutive naturals, for example, 3780 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (1868460).

Almost surely, 2^11180121 is an apocalyptic number.

It is an amenable number.

11180121 is a deficient number, since it is larger than the sum of its proper divisors (3767559).

11180121 is an equidigital number, since it uses as much as digits as its factorization.

11180121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its (nonzero) digits is 16, while the sum is 15.

The square root of 11180121 is about 3343.6687934064. The cubic root of 11180121 is about 223.6053384905.

Adding to 11180121 its reverse (12108111), we get a palindrome (23288232).

The spelling of 11180121 in words is "eleven million, one hundred eighty thousand, one hundred twenty-one".