11123201122 has 48 divisors (see below), whose sum is σ = 19391591520. Its totient is φ = 4768346880.

The previous prime is 11123201119. The next prime is 11123201137. The reversal of 11123201122 is 22110232111.

It is a junction number, because it is equal to n+sod(n) for n = 11123201096 and 11123201105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1038418 + ... + 1049074.

It is an arithmetic number, because the mean of its divisors is an integer number (403991490).

Almost surely, 2^11123201122 is an apocalyptic number.

11123201122 is a deficient number, since it is larger than the sum of its proper divisors (8268390398).

11123201122 is a wasteful number, since it uses less digits than its factorization.

11123201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11123201122 its reverse (22110232111), we get a palindrome (33233433233).

The spelling of 11123201122 in words is "eleven billion, one hundred twenty-three million, two hundred one thousand, one hundred twenty-two".