11121311331003 has 48 divisors (see below), whose sum is σ = 15906964792320. Its totient is φ = 6898295695104.

The previous prime is 11121311330999. The next prime is 11121311331029. The reversal of 11121311331003 is 30013311312111.

It is not a de Polignac number, because 11121311331003 - 2² = 11121311330999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121311331503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398328078 + ... + 398355996.

It is an arithmetic number, because the mean of its divisors is an integer number (331395099840).

Almost surely, 2^{11121311331003} is an apocalyptic number.

11121311331003 is a deficient number, since it is larger than the sum of its proper divisors (4785653461317).

11121311331003 is a wasteful number, since it uses less digits than its factorization.

11121311331003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32236 (or 32199 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11121311331003 its reverse (30013311312111), we get a palindrome (41134622643114).

The spelling of 11121311331003 in words is "eleven trillion, one hundred twenty-one billion, three hundred eleven million, three hundred thirty-one thousand, three".