101111012815871 has 2 divisors, whose sum is σ = 101111012815872. Its totient is φ = 101111012815870.

The previous prime is 101111012815843. The next prime is 101111012815907. The reversal of 101111012815871 is 178518210111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101111012815871 - 2⁶ = 101111012815807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111012815831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555506407935 + 50555506407936.

It is an arithmetic number, because the mean of its divisors is an integer number (50555506407936).

Almost surely, 2^{101111012815871} is an apocalyptic number.

101111012815871 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111012815871 is an equidigital number, since it uses as much as digits as its factorization.

101111012815871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 38.

Adding to 101111012815871 its reverse (178518210111101), we get a palindrome (279629222926972).

The spelling of 101111012815871 in words is "one hundred one trillion, one hundred eleven billion, twelve million, eight hundred fifteen thousand, eight hundred seventy-one".