11123134112 has 24 divisors (see below), whose sum is σ = 22162514976. Its totient is φ = 5494558912.

The previous prime is 11123134111. The next prime is 11123134117. The reversal of 11123134112 is 21143132111.

It is a super-2 number, since 2×11123134112² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11123134111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091308 + ... + 2096619.

It is an arithmetic number, because the mean of its divisors is an integer number (923438124).

Almost surely, 2^11123134112 is an apocalyptic number.

It is an amenable number.

11123134112 is a deficient number, since it is larger than the sum of its proper divisors (11039380864).

11123134112 is an equidigital number, since it uses as much as digits as its factorization.

11123134112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188020 (or 4188012 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 11123134112 its reverse (21143132111), we get a palindrome (32266266223).

The spelling of 11123134112 in words is "eleven billion, one hundred twenty-three million, one hundred thirty-four thousand, one hundred twelve".