11003021111120 has 80 divisors (see below), whose sum is σ = 25820569824192. Its totient is φ = 4360205015040.

The previous prime is 11003021111087. The next prime is 11003021111123. The reversal of 11003021111120 is 2111112030011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11003021111095 and 11003021111104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003021111123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18978659 + ... + 19549821.

Almost surely, 2^{11003021111120} is an apocalyptic number.

11003021111120 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 11003021111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12910284912096).

11003021111120 is an abundant number, since it is smaller than the sum of its proper divisors (14817548713072).

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

11003021111120 is a wasteful number, since it uses less digits than its factorization.

11003021111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573420 (or 573414 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11003021111120 its reverse (2111112030011), we get a palindrome (13114133141131).

The spelling of 11003021111120 in words is "eleven trillion, three billion, twenty-one million, one hundred eleven thousand, one hundred twenty".