1103103232120 has 32 divisors (see below), whose sum is σ = 2482231197600. Its totient is φ = 441197039488.

The previous prime is 1103103232117. The next prime is 1103103232129. The reversal of 1103103232120 is 212323013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103103232129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977635 + ... + 1778194.

It is an arithmetic number, because the mean of its divisors is an integer number (77569724925).

Almost surely, 2^{1103103232120} is an apocalyptic number.

1103103232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103103232120 is an abundant number, since it is smaller than the sum of its proper divisors (1379127965480).

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

1103103232120 is a wasteful number, since it uses less digits than its factorization.

1103103232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765847 (or 2765843 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1103103232120 its reverse (212323013011), we get a palindrome (1315426245131).

The spelling of 1103103232120 in words is "one trillion, one hundred three billion, one hundred three million, two hundred thirty-two thousand, one hundred twenty".