11120111121 has 8 divisors (see below), whose sum is σ = 16944931264. Its totient is φ = 6354349200.

The previous prime is 11120111117. The next prime is 11120111129. The reversal of 11120111121 is 12111102111.

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

It is not a de Polignac number, because 11120111121 - 2² = 11120111117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11120111097 and 11120111106.

It is not an unprimeable number, because it can be changed into a prime (11120111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264764530 + ... + 264764571.

It is an arithmetic number, because the mean of its divisors is an integer number (2118116408).

Almost surely, 2^11120111121 is an apocalyptic number.

It is an amenable number.

11120111121 is a deficient number, since it is larger than the sum of its proper divisors (5824820143).

11120111121 is an equidigital number, since it uses as much as digits as its factorization.

11120111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529529111.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11120111121 its reverse (12111102111), we get a palindrome (23231213232).

It can be divided in two parts, 111201 and 11121, that multiplied together give a palindrome (1236666321).

The spelling of 11120111121 in words is "eleven billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-one".