11123011012 has 12 divisors (see below), whose sum is σ = 19557523216. Its totient is φ = 5535147240.

The previous prime is 11123011007. The next prime is 11123011019. The reversal of 11123011012 is 21011032111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11123010983 and 11123011001.

It is not an unprimeable number, because it can be changed into a prime (11123011019) 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, 6588618 + ... + 6590305.

Almost surely, 2^11123011012 is an apocalyptic number.

It is an amenable number.

11123011012 is a deficient number, since it is larger than the sum of its proper divisors (8434512204).

11123011012 is a wasteful number, since it uses less digits than its factorization.

11123011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179138 (or 13179136 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11123011012 its reverse (21011032111), we get a palindrome (32134043123).

The spelling of 11123011012 in words is "eleven billion, one hundred twenty-three million, eleven thousand, twelve".