1103313232120 has 256 divisors, whose sum is σ = 3056590080000. Its totient is φ = 353198776320.

The previous prime is 1103313232117. The next prime is 1103313232181. The reversal of 1103313232120 is 212323133011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1103313232091 and 1103313232100.

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, 11178346 + ... + 11276614.

It is an arithmetic number, because the mean of its divisors is an integer number (11939805000).

Almost surely, 2^{1103313232120} is an apocalyptic number.

1103313232120 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 1103313232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528295040000).

1103313232120 is an abundant number, since it is smaller than the sum of its proper divisors (1953276847880).

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

1103313232120 is a wasteful number, since it uses less digits than its factorization.

1103313232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98406 (or 98402 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103313232120 its reverse (212323133011), we get a palindrome (1315636365131).

The spelling of 1103313232120 in words is "one trillion, one hundred three billion, three hundred thirteen million, two hundred thirty-two thousand, one hundred twenty".