11101001101903 has 2 divisors, whose sum is σ = 11101001101904. Its totient is φ = 11101001101902.

The previous prime is 11101001101901. The next prime is 11101001101921. The reversal of 11101001101903 is 30910110010111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101001101903 - 2¹ = 11101001101901 is a prime.

Together with 11101001101901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101001101901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550500550951 + 5550500550952.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500550952).

Almost surely, 2^{11101001101903} is an apocalyptic number.

11101001101903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101001101903 is an equidigital number, since it uses as much as digits as its factorization.

11101001101903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 19.

The spelling of 11101001101903 in words is "eleven trillion, one hundred one billion, one million, one hundred one thousand, nine hundred three".