11003101312 has 96 divisors (see below), whose sum is σ = 26322071040. Its totient is φ = 4563417600.

The previous prime is 11003101289. The next prime is 11003101327. The reversal of 11003101312 is 21310130011.

It is a super-2 number, since 2×11003101312² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11003101292 and 11003101301.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166137 + ... + 222727.

It is an arithmetic number, because the mean of its divisors is an integer number (274188240).

Almost surely, 2^11003101312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11003101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13161035520).

11003101312 is an abundant number, since it is smaller than the sum of its proper divisors (15318969728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11003101312 is an equidigital number, since it uses as much as digits as its factorization.

11003101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56650 (or 56631 counting only the distinct ones).

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

Adding to 11003101312 its reverse (21310130011), we get a palindrome (32313231323).

The spelling of 11003101312 in words is "eleven billion, three million, one hundred one thousand, three hundred twelve".