1103033121120 has 768 divisors, whose sum is σ = 4461807974400. Its totient is φ = 249299804160.

The previous prime is 1103033121089. The next prime is 1103033121121. The reversal of 1103033121120 is 211213303011.

1103033121120 is a `hidden beast` number, since 1 + 103 + 0 + 331 + 211 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1103033121093 and 1103033121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103033121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1668733590 + ... + 1668734250.

It is an arithmetic number, because the mean of its divisors is an integer number (5809645800).

Almost surely, 2^{1103033121120} is an apocalyptic number.

1103033121120 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 1103033121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230903987200).

1103033121120 is an abundant number, since it is smaller than the sum of its proper divisors (3358774853280).

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

1103033121120 is a wasteful number, since it uses less digits than its factorization.

1103033121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1103033121120 its reverse (211213303011), we get a palindrome (1314246424131).

The spelling of 1103033121120 in words is "one trillion, one hundred three billion, thirty-three million, one hundred twenty-one thousand, one hundred twenty".