100111121211071 has 2 divisors, whose sum is σ = 100111121211072. Its totient is φ = 100111121211070.

The previous prime is 100111121211029. The next prime is 100111121211077. The reversal of 100111121211071 is 170112121111001.

It is a strong prime.

It is an emirp because it is prime and its reverse (170112121111001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100111121211071 - 2³⁰ = 100110047469247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111121211077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055560605535 + 50055560605536.

It is an arithmetic number, because the mean of its divisors is an integer number (50055560605536).

Almost surely, 2^{100111121211071} is an apocalyptic number.

100111121211071 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111121211071 is an equidigital number, since it uses as much as digits as its factorization.

100111121211071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 20.

Adding to 100111121211071 its reverse (170112121111001), we get a palindrome (270223242322072).

The spelling of 100111121211071 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-one million, two hundred eleven thousand, seventy-one".