11121122201203 has 32 divisors (see below), whose sum is σ = 12937999449600. Its totient is φ = 9362890158336.

The previous prime is 11121122201197. The next prime is 11121122201209. The reversal of 11121122201203 is 30210222112111.

It is an interprime number because it is at equal distance from previous prime (11121122201197) and next prime (11121122201209).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121122201203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121122201209) 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, 63113500 + ... + 63289462.

It is an arithmetic number, because the mean of its divisors is an integer number (404312482800).

Almost surely, 2^{11121122201203} is an apocalyptic number.

11121122201203 is a deficient number, since it is larger than the sum of its proper divisors (1816877248397).

11121122201203 is a wasteful number, since it uses less digits than its factorization.

11121122201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176731.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11121122201203 its reverse (30210222112111), we get a palindrome (41331344313314).

The spelling of 11121122201203 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, two hundred three".