11121111122 has 48 divisors (see below), whose sum is σ = 19240804800. Its totient is φ = 4780421280.

The previous prime is 11121111121. The next prime is 11121111137. The reversal of 11121111122 is 22111112111.

11121111122 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 2×11121111122² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11121111097 and 11121111106.

It is not an unprimeable number, because it can be changed into a prime (11121111121) 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 23 ways as a sum of consecutive naturals, for example, 6662504 + ... + 6664172.

It is an arithmetic number, because the mean of its divisors is an integer number (400850100).

Almost surely, 2^11121111122 is an apocalyptic number.

11121111122 is a deficient number, since it is larger than the sum of its proper divisors (8119693678).

11121111122 is a wasteful number, since it uses less digits than its factorization.

11121111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559 (or 2540 counting only the distinct ones).

The product of its digits is 8, while the sum is 14.

Adding to 11121111122 its reverse (22111112111), we get a palindrome (33232223233).

The spelling of 11121111122 in words is "eleven billion, one hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".