11101100109971 has 2 divisors, whose sum is σ = 11101100109972. Its totient is φ = 11101100109970.

The previous prime is 11101100109961. The next prime is 11101100110039. The reversal of 11101100109971 is 17990100110111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101100109971 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101100109961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550550054985 + 5550550054986.

It is an arithmetic number, because the mean of its divisors is an integer number (5550550054986).

Almost surely, 2^{11101100109971} is an apocalyptic number.

11101100109971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101100109971 is an equidigital number, since it uses as much as digits as its factorization.

11101100109971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 32.

The spelling of 11101100109971 in words is "eleven trillion, one hundred one billion, one hundred million, one hundred nine thousand, nine hundred seventy-one".