11103303221000 has 128 divisors (see below), whose sum is σ = 26083315440000. Its totient is φ = 4423968172800.

The previous prime is 11103303220987. The next prime is 11103303221009. The reversal of 11103303221000 is 12230330111.

It is a self number, because there is not a number n which added to its sum of digits gives 11103303221000.

It is not an unprimeable number, because it can be changed into a prime (11103303221009) 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 31 ways as a sum of consecutive naturals, for example, 990211394 + ... + 990222606.

It is an arithmetic number, because the mean of its divisors is an integer number (203775901875).

Almost surely, 2^{11103303221000} is an apocalyptic number.

11103303221000 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 11103303221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13041657720000).

11103303221000 is an abundant number, since it is smaller than the sum of its proper divisors (14980012219000).

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

11103303221000 is a wasteful number, since it uses less digits than its factorization.

11103303221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016 (or 15002 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11103303221000 its reverse (12230330111), we get a palindrome (11115533551111).

The spelling of 11103303221000 in words is "eleven trillion, one hundred three billion, three hundred three million, two hundred twenty-one thousand".