11120112012121 has 16 divisors (see below), whose sum is σ = 13157177788800. Its totient is φ = 9195678188928.

The previous prime is 11120112012089. The next prime is 11120112012157. The reversal of 11120112012121 is 12121021102111.

It is not a de Polignac number, because 11120112012121 - 2⁵ = 11120112012089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120112012095 and 11120112012104.

It is not an unprimeable number, because it can be changed into a prime (11120112012161) 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, 21087516 + ... + 21608413.

It is an arithmetic number, because the mean of its divisors is an integer number (822323611800).

Almost surely, 2^{11120112012121} is an apocalyptic number.

It is an amenable number.

11120112012121 is a deficient number, since it is larger than the sum of its proper divisors (2037065776679).

11120112012121 is a wasteful number, since it uses less digits than its factorization.

11120112012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42697248.

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

Adding to 11120112012121 its reverse (12121021102111), we get a palindrome (23241133114232).

The spelling of 11120112012121 in words is "eleven trillion, one hundred twenty billion, one hundred twelve million, twelve thousand, one hundred twenty-one".