1131112102003 has 4 divisors (see below), whose sum is σ = 1218120725248. Its totient is φ = 1044103478760.

The previous prime is 1131112101947. The next prime is 1131112102013. The reversal of 1131112102003 is 3002012111311.

It is a happy number.

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 1131112102003 - 2¹⁷ = 1131111970931 is a prime.

It is a super-2 number, since 2×1131112102003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131112102013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43504311603 + ... + 43504311628.

It is an arithmetic number, because the mean of its divisors is an integer number (304530181312).

Almost surely, 2^{1131112102003} is an apocalyptic number.

1131112102003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1131112102003 is a deficient number, since it is larger than the sum of its proper divisors (87008623245).

1131112102003 is an equidigital number, since it uses as much as digits as its factorization.

1131112102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87008623244.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1131112102003 its reverse (3002012111311), we get a palindrome (4133124213314).

The spelling of 1131112102003 in words is "one trillion, one hundred thirty-one billion, one hundred twelve million, one hundred two thousand, three".