11220123103320 has 128 divisors (see below), whose sum is σ = 34636469538240. Its totient is φ = 2905578823680.

The previous prime is 11220123103313. The next prime is 11220123103333. The reversal of 11220123103320 is 2330132102211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111957 + ... + 4738436.

Almost surely, 2^{11220123103320} is an apocalyptic number.

11220123103320 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 11220123103320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17318234769120).

11220123103320 is an abundant number, since it is smaller than the sum of its proper divisors (23416346434920).

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

11220123103320 is a wasteful number, since it uses less digits than its factorization.

11220123103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850965 (or 4850961 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11220123103320 its reverse (2330132102211), we get a palindrome (13550255205531).

The spelling of 11220123103320 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-three million, one hundred three thousand, three hundred twenty".