11043031120220 has 96 divisors (see below), whose sum is σ = 25807330213056. Its totient is φ = 3935078451200.

The previous prime is 11043031120217. The next prime is 11043031120267. The reversal of 11043031120220 is 2202113034011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11043031120192 and 11043031120201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8996072 + ... + 10149648.

It is an arithmetic number, because the mean of its divisors is an integer number (268826356386).

Almost surely, 2^{11043031120220} is an apocalyptic number.

11043031120220 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 11043031120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12903665106528).

11043031120220 is an abundant number, since it is smaller than the sum of its proper divisors (14764299092836).

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

11043031120220 is a wasteful number, since it uses less digits than its factorization.

11043031120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154471 (or 1154469 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11043031120220 its reverse (2202113034011), we get a palindrome (13245144154231).

The spelling of 11043031120220 in words is "eleven trillion, forty-three billion, thirty-one million, one hundred twenty thousand, two hundred twenty".