1103121330000 has 800 divisors, whose sum is σ = 3949041102336. Its totient is φ = 264056832000.

The previous prime is 1103121329977. The next prime is 1103121330041. The reversal of 1103121330000 is 331213011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 1000109449 + ... + 1000110551.

Almost surely, 2^{1103121330000} is an apocalyptic number.

1103121330000 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 1103121330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974520551168).

1103121330000 is an abundant number, since it is smaller than the sum of its proper divisors (2845919772336).

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

1103121330000 is a wasteful number, since it uses less digits than its factorization.

1103121330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1103121330000 its reverse (331213011), we get a palindrome (1103452543011).

The spelling of 1103121330000 in words is "one trillion, one hundred three billion, one hundred twenty-one million, three hundred thirty thousand".