11103103123320 has 256 divisors, whose sum is σ = 36262229351040. Its totient is φ = 2703467225088.

The previous prime is 11103103123313. The next prime is 11103103123391. The reversal of 11103103123320 is 2332130130111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53061942 + ... + 53270778.

Almost surely, 2^{11103103123320} is an apocalyptic number.

11103103123320 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 11103103123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18131114675520).

11103103123320 is an abundant number, since it is smaller than the sum of its proper divisors (25159126227720).

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

11103103123320 is a wasteful number, since it uses less digits than its factorization.

11103103123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209234 (or 209230 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11103103123320 its reverse (2332130130111), we get a palindrome (13435233253431).

The spelling of 11103103123320 in words is "eleven trillion, one hundred three billion, one hundred three million, one hundred twenty-three thousand, three hundred twenty".