11103130012 has 24 divisors (see below), whose sum is σ = 20954712800. Its totient is φ = 5117276736.

The previous prime is 11103129949. The next prime is 11103130021. The reversal of 11103130012 is 21003130111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11103129974 and 11103130001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113712 + ... + 187447.

Almost surely, 2^11103130012 is an apocalyptic number.

It is an amenable number.

11103130012 is a deficient number, since it is larger than the sum of its proper divisors (9851582788).

11103130012 is a wasteful number, since it uses less digits than its factorization.

11103130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301885 (or 301883 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11103130012 its reverse (21003130111), we get a palindrome (32106260123).

Subtracting 11103130012 from its reverse (21003130111), we obtain a palindrome (9900000099).

The spelling of 11103130012 in words is "eleven billion, one hundred three million, one hundred thirty thousand, twelve".