11031030120 has 256 divisors, whose sum is σ = 36878042880. Its totient is φ = 2617344000.

The previous prime is 11031030103. The next prime is 11031030133. The reversal of 11031030120 is 2103013011.

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 = 11031030096 and 11031030105.

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 63 ways as a sum of consecutive naturals, for example, 12931614 + ... + 12932466.

It is an arithmetic number, because the mean of its divisors is an integer number (144054855).

Almost surely, 2^11031030120 is an apocalyptic number.

11031030120 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 11031030120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18439021440).

11031030120 is an abundant number, since it is smaller than the sum of its proper divisors (25847012760).

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

11031030120 is a wasteful number, since it uses less digits than its factorization.

11031030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1072 counting only the distinct ones).

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

Adding to 11031030120 its reverse (2103013011), we get a palindrome (13134043131).

The spelling of 11031030120 in words is "eleven billion, thirty-one million, thirty thousand, one hundred twenty".