11101121121203 has 2 divisors, whose sum is σ = 11101121121204. Its totient is φ = 11101121121202.

The previous prime is 11101121121197. The next prime is 11101121121221. The reversal of 11101121121203 is 30212112110111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101121121203 - 2⁴⁰ = 10001609493427 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101121121263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550560560601 + 5550560560602.

It is an arithmetic number, because the mean of its divisors is an integer number (5550560560602).

Almost surely, 2^{11101121121203} is an apocalyptic number.

11101121121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101121121203 is an equidigital number, since it uses as much as digits as its factorization.

11101121121203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11101121121203 its reverse (30212112110111), we get a palindrome (41313233231314).

The spelling of 11101121121203 in words is "eleven trillion, one hundred one billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred three".