11120103312 has 80 divisors (see below), whose sum is σ = 29474238528. Its totient is φ = 3610562560.

The previous prime is 11120103311. The next prime is 11120103317. The reversal of 11120103312 is 21330102111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11120103291 and 11120103300.

It is not an unprimeable number, because it can be changed into a prime (11120103311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340008 + ... + 1348280.

Almost surely, 2^11120103312 is an apocalyptic number.

11120103312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11120103312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14737119264).

11120103312 is an abundant number, since it is smaller than the sum of its proper divisors (18354135216).

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

11120103312 is a wasteful number, since it uses less digits than its factorization.

11120103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008 (or 9002 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11120103312 its reverse (21330102111), we get a palindrome (32450205423).

The spelling of 11120103312 in words is "eleven billion, one hundred twenty million, one hundred three thousand, three hundred twelve".