11201121112 has 16 divisors (see below), whose sum is σ = 21003472800. Its totient is φ = 5600195040.

The previous prime is 11201121067. The next prime is 11201121119. The reversal of 11201121112 is 21112110211.

It is a happy number.

11201121112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11201121112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11201121092 and 11201121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119814 + ... + 191722.

It is an arithmetic number, because the mean of its divisors is an integer number (1312717050).

Almost surely, 2^11201121112 is an apocalyptic number.

It is an amenable number.

11201121112 is a deficient number, since it is larger than the sum of its proper divisors (9802351688).

11201121112 is a wasteful number, since it uses less digits than its factorization.

11201121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91386 (or 91382 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11201121112 its reverse (21112110211), we get a palindrome (32313231323).

The spelling of 11201121112 in words is "eleven billion, two hundred one million, one hundred twenty-one thousand, one hundred twelve".