1103003132121 has 12 divisors (see below), whose sum is σ = 1738065541680. Its totient is φ = 668486746680.

The previous prime is 1103003132087. The next prime is 1103003132123. The reversal of 1103003132121 is 1212313003011.

1103003132121 is a `hidden beast` number, since 1 + 10 + 300 + 31 + 321 + 2 + 1 = 666.

It is not a de Polignac number, because 1103003132121 - 2¹⁴ = 1103003115737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1103003132094 and 1103003132103.

It is not an unprimeable number, because it can be changed into a prime (1103003132123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5570722791 + ... + 5570722988.

It is an arithmetic number, because the mean of its divisors is an integer number (144838795140).

Almost surely, 2^{1103003132121} is an apocalyptic number.

1103003132121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1103003132121 is a deficient number, since it is larger than the sum of its proper divisors (635062409559).

1103003132121 is a wasteful number, since it uses less digits than its factorization.

1103003132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141445796 (or 11141445793 counting only the distinct ones).

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

Adding to 1103003132121 its reverse (1212313003011), we get a palindrome (2315316135132).

The spelling of 1103003132121 in words is "one trillion, one hundred three billion, three million, one hundred thirty-two thousand, one hundred twenty-one".