11011121101203 has 16 divisors (see below), whose sum is σ = 15671869920000. Its totient is φ = 6856443084960.

The previous prime is 11011121101193. The next prime is 11011121101271. The reversal of 11011121101203 is 30210112111011.

It is not a de Polignac number, because 11011121101203 - 2²⁰ = 11011120052627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011121101703) 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 15 ways as a sum of consecutive naturals, for example, 1360401328 + ... + 1360409421.

It is an arithmetic number, because the mean of its divisors is an integer number (979491870000).

Almost surely, 2^{11011121101203} is an apocalyptic number.

11011121101203 is a deficient number, since it is larger than the sum of its proper divisors (4660748818797).

11011121101203 is a wasteful number, since it uses less digits than its factorization.

11011121101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720810842.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11011121101203 its reverse (30210112111011), we get a palindrome (41221233212214).

The spelling of 11011121101203 in words is "eleven trillion, eleven billion, one hundred twenty-one million, one hundred one thousand, two hundred three".