111101101110971 has 2 divisors, whose sum is σ = 111101101110972. Its totient is φ = 111101101110970.

The previous prime is 111101101110953. The next prime is 111101101110973. The reversal of 111101101110971 is 179011101101111.

It is a strong prime.

It is an emirp because it is prime and its reverse (179011101101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111101101110971 - 2⁶ = 111101101110907 is a prime.

Together with 111101101110973, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111101101110971.

It is not a weakly prime, because it can be changed into another prime (111101101110973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550550555485 + 55550550555486.

It is an arithmetic number, because the mean of its divisors is an integer number (55550550555486).

Almost surely, 2^{111101101110971} is an apocalyptic number.

111101101110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101101110971 is an equidigital number, since it uses as much as digits as its factorization.

111101101110971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 26.

The spelling of 111101101110971 in words is "one hundred eleven trillion, one hundred one billion, one hundred one million, one hundred ten thousand, nine hundred seventy-one".