1121013113103 has 60 divisors (see below), whose sum is σ = 1813798141848. Its totient is φ = 689673890880.

The previous prime is 1121013113083. The next prime is 1121013113141. The reversal of 1121013113103 is 3013113101211.

1121013113103 is a `hidden beast` number, since 11 + 210 + 131 + 1 + 310 + 3 = 666.

It is not a de Polignac number, because 1121013113103 - 2⁶ = 1121013113039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121013113183) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 68258833 + ... + 68275253.

Almost surely, 2^{1121013113103} is an apocalyptic number.

1121013113103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121013113103 is a deficient number, since it is larger than the sum of its proper divisors (692785028745).

1121013113103 is a wasteful number, since it uses less digits than its factorization.

1121013113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21446 (or 21424 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1121013113103 its reverse (3013113101211), we get a palindrome (4134126214314).

The spelling of 1121013113103 in words is "one trillion, one hundred twenty-one billion, thirteen million, one hundred thirteen thousand, one hundred three".