1121303331103 has 16 divisors (see below), whose sum is σ = 1168988261760. Its totient is φ = 1074222021600.

The previous prime is 1121303331077. The next prime is 1121303331119. The reversal of 1121303331103 is 3011333031211.

It is a cyclic number.

It is not a de Polignac number, because 1121303331103 - 2³⁷ = 983864377631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121303331133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34520476 + ... + 34552942.

It is an arithmetic number, because the mean of its divisors is an integer number (73061766360).

Almost surely, 2^{1121303331103} is an apocalyptic number.

1121303331103 is a deficient number, since it is larger than the sum of its proper divisors (47684930657).

1121303331103 is a wasteful number, since it uses less digits than its factorization.

1121303331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41718.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1121303331103 its reverse (3011333031211), we get a palindrome (4132636362314).

The spelling of 1121303331103 in words is "one trillion, one hundred twenty-one billion, three hundred three million, three hundred thirty-one thousand, one hundred three".