11003133121203 has 32 divisors (see below), whose sum is σ = 15619910400000. Its totient is φ = 6869768792832.

The previous prime is 11003133121157. The next prime is 11003133121207. The reversal of 11003133121203 is 30212133130011.

It is a happy number.

It is not a de Polignac number, because 11003133121203 - 2¹² = 11003133117107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11003133121203.

It is not an unprimeable number, because it can be changed into a prime (11003133121207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23299873 + ... + 23767421.

It is an arithmetic number, because the mean of its divisors is an integer number (488122200000).

Almost surely, 2^{11003133121203} is an apocalyptic number.

11003133121203 is a deficient number, since it is larger than the sum of its proper divisors (4616777278797).

11003133121203 is a wasteful number, since it uses less digits than its factorization.

11003133121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472299.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11003133121203 its reverse (30212133130011), we get a palindrome (41215266251214).

The spelling of 11003133121203 in words is "eleven trillion, three billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred three".