11103011121003 has 32 divisors (see below), whose sum is σ = 14962467072000. Its totient is φ = 7323336510336.

The previous prime is 11103011121001. The next prime is 11103011121017. The reversal of 11103011121003 is 30012111030111.

It is not a de Polignac number, because 11103011121003 - 2¹ = 11103011121001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11103011121001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69234450 + ... + 69394632.

It is an arithmetic number, because the mean of its divisors is an integer number (467577096000).

Almost surely, 2^{11103011121003} is an apocalyptic number.

11103011121003 is a deficient number, since it is larger than the sum of its proper divisors (3859455950997).

11103011121003 is a wasteful number, since it uses less digits than its factorization.

11103011121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161051.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11103011121003 its reverse (30012111030111), we get a palindrome (41115122151114).

The spelling of 11103011121003 in words is "eleven trillion, one hundred three billion, eleven million, one hundred twenty-one thousand, three".