1103303222120 has 128 divisors (see below), whose sum is σ = 2800398873600. Its totient is φ = 387574118400.

The previous prime is 1103303222093. The next prime is 1103303222159. The reversal of 1103303222120 is 212223033011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1103303222092 and 1103303222101.

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 31 ways as a sum of consecutive naturals, for example, 7690082 + ... + 7832238.

It is an arithmetic number, because the mean of its divisors is an integer number (21878116200).

Almost surely, 2^{1103303222120} is an apocalyptic number.

1103303222120 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 1103303222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400199436800).

1103303222120 is an abundant number, since it is smaller than the sum of its proper divisors (1697095651480).

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

1103303222120 is a wasteful number, since it uses less digits than its factorization.

1103303222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142779 (or 142775 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1103303222120 its reverse (212223033011), we get a palindrome (1315526255131).

The spelling of 1103303222120 in words is "one trillion, one hundred three billion, three hundred three million, two hundred twenty-two thousand, one hundred twenty".