11111201122 has 32 divisors (see below), whose sum is σ = 20258767872. Its totient is φ = 4461709824.

The previous prime is 11111201113. The next prime is 11111201149. The reversal of 11111201122 is 22110211111.

It is a happy number.

11111201122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51603 + ... + 157750.

It is an arithmetic number, because the mean of its divisors is an integer number (633086496).

Almost surely, 2^11111201122 is an apocalyptic number.

11111201122 is a deficient number, since it is larger than the sum of its proper divisors (9147566750).

11111201122 is a wasteful number, since it uses less digits than its factorization.

11111201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209602.

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

Adding to 11111201122 its reverse (22110211111), we get a palindrome (33221412233).

The spelling of 11111201122 in words is "eleven billion, one hundred eleven million, two hundred one thousand, one hundred twenty-two".