1121112102003 has 4 divisors (see below), whose sum is σ = 1494816136008. Its totient is φ = 747408068000.

The previous prime is 1121112102001. The next prime is 1121112102031. The reversal of 1121112102003 is 3002012111211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121112102003 - 2¹ = 1121112102001 is a prime.

It is a super-2 number, since 2×1121112102003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121112102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186852016998 + ... + 186852017003.

It is an arithmetic number, because the mean of its divisors is an integer number (373704034002).

Almost surely, 2^{1121112102003} is an apocalyptic number.

1121112102003 is a deficient number, since it is larger than the sum of its proper divisors (373704034005).

1121112102003 is an equidigital number, since it uses as much as digits as its factorization.

1121112102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373704034004.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1121112102003 its reverse (3002012111211), we get a palindrome (4123124213214).

The spelling of 1121112102003 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred two thousand, three".