108811121 has 4 divisors (see below), whose sum is σ = 110343744. Its totient is φ = 107278500.

The previous prime is 108811111. The next prime is 108811123. The reversal of 108811121 is 121118801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108811121 - 2¹⁴ = 108794737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108811123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766205 + ... + 766346.

It is an arithmetic number, because the mean of its divisors is an integer number (27585936).

Almost surely, 2^108811121 is an apocalyptic number.

It is an amenable number.

108811121 is a deficient number, since it is larger than the sum of its proper divisors (1532623).

108811121 is an equidigital number, since it uses as much as digits as its factorization.

108811121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532622.

The product of its (nonzero) digits is 128, while the sum is 23.

The square root of 108811121 is about 10431.2569233051. The cubic root of 108811121 is about 477.4095418131.

Adding to 108811121 its reverse (121118801), we get a palindrome (229929922).

It can be divided in two parts, 108811 and 121, that multiplied together give a palindrome (13166131).

The spelling of 108811121 in words is "one hundred eight million, eight hundred eleven thousand, one hundred twenty-one".