11101001101901 has 2 divisors, whose sum is σ = 11101001101902. Its totient is φ = 11101001101900.

The previous prime is 11101001101823. The next prime is 11101001101903. The reversal of 11101001101901 is 10910110010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6045131929225 + 5055869172676 = 2458685^2 + 2248526^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101001101901 - 2¹⁰ = 11101001100877 is a prime.

It is a Sophie Germain prime.

Together with 11101001101903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101001101901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101001101903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550500550950 + 5550500550951.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500550951).

Almost surely, 2^{11101001101901} is an apocalyptic number.

It is an amenable number.

11101001101901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101001101901 is an equidigital number, since it uses as much as digits as its factorization.

11101001101901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 11101001101901 in words is "eleven trillion, one hundred one billion, one million, one hundred one thousand, nine hundred one".