11101101209971 has 2 divisors, whose sum is σ = 11101101209972. Its totient is φ = 11101101209970.

The previous prime is 11101101209953. The next prime is 11101101210013. The reversal of 11101101209971 is 17990210110111.

11101101209971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101101209971 - 2¹⁹ = 11101100685683 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101101203971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550550604985 + 5550550604986.

It is an arithmetic number, because the mean of its divisors is an integer number (5550550604986).

Almost surely, 2^{11101101209971} is an apocalyptic number.

11101101209971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101101209971 is an equidigital number, since it uses as much as digits as its factorization.

11101101209971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 34.

The spelling of 11101101209971 in words is "eleven trillion, one hundred one billion, one hundred one million, two hundred nine thousand, nine hundred seventy-one".