11030103120 has 80 divisors (see below), whose sum is σ = 34291555200. Its totient is φ = 2932910592.

The previous prime is 11030103113. The next prime is 11030103151. The reversal of 11030103120 is 2130103011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11030103096 and 11030103105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17917 + ... + 149603.

It is an arithmetic number, because the mean of its divisors is an integer number (428644440).

Almost surely, 2^11030103120 is an apocalyptic number.

11030103120 is a gapful number since it is divisible by the number (10) 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 11030103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17145777600).

11030103120 is an abundant number, since it is smaller than the sum of its proper divisors (23261452080).

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

11030103120 is a wasteful number, since it uses less digits than its factorization.

11030103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132052 (or 132046 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11030103120 its reverse (2130103011), we get a palindrome (13160206131).

The spelling of 11030103120 in words is "eleven billion, thirty million, one hundred three thousand, one hundred twenty".