111100020111071 has 2 divisors, whose sum is σ = 111100020111072. Its totient is φ = 111100020111070.

The previous prime is 111100020111029. The next prime is 111100020111103. The reversal of 111100020111071 is 170111020001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100020111071 - 2³⁰ = 111098946369247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100020111371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550010055535 + 55550010055536.

It is an arithmetic number, because the mean of its divisors is an integer number (55550010055536).

Almost surely, 2^{111100020111071} is an apocalyptic number.

111100020111071 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100020111071 is an equidigital number, since it uses as much as digits as its factorization.

111100020111071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 111100020111071 its reverse (170111020001111), we get a palindrome (281211040112182).

The spelling of 111100020111071 in words is "one hundred eleven trillion, one hundred billion, twenty million, one hundred eleven thousand, seventy-one".