1121121113103 has 16 divisors (see below), whose sum is σ = 1677045610240. Its totient is φ = 740157626232.

The previous prime is 1121121113081. The next prime is 1121121113111. The reversal of 1121121113103 is 3013111211211.

It is not a de Polignac number, because 1121121113103 - 2⁸ = 1121121112847 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 (1121121113143) 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 15 ways as a sum of consecutive naturals, for example, 201565201 + ... + 201570762.

It is an arithmetic number, because the mean of its divisors is an integer number (104815350640).

Almost surely, 2^{1121121113103} is an apocalyptic number.

1121121113103 is a deficient number, since it is larger than the sum of its proper divisors (555924497137).

1121121113103 is a wasteful number, since it uses less digits than its factorization.

1121121113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403136075 (or 403136069 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1121121113103 its reverse (3013111211211), we get a palindrome (4134232324314).

The spelling of 1121121113103 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred three".