111101000109971 has 2 divisors, whose sum is σ = 111101000109972. Its totient is φ = 111101000109970.

The previous prime is 111101000109949. The next prime is 111101000110031. The reversal of 111101000109971 is 179901000101111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111101000109971 - 2³⁴ = 111083820240787 is a prime.

It is not a weakly prime, because it can be changed into another prime (111101000109901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550500054985 + 55550500054986.

It is an arithmetic number, because the mean of its divisors is an integer number (55550500054986).

Almost surely, 2^{111101000109971} is an apocalyptic number.

111101000109971 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101000109971 is an equidigital number, since it uses as much as digits as its factorization.

111101000109971 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 111101000109971 in words is "one hundred eleven trillion, one hundred one billion, one hundred nine thousand, nine hundred seventy-one".