101020112020171 has 2 divisors, whose sum is σ = 101020112020172. Its totient is φ = 101020112020170.

The previous prime is 101020112020111. The next prime is 101020112020199. The reversal of 101020112020171 is 171020211020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101020112020171 - 2³⁵ = 100985752281803 is a prime.

It is not a weakly prime, because it can be changed into another prime (101020112020111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510056010085 + 50510056010086.

It is an arithmetic number, because the mean of its divisors is an integer number (50510056010086).

Almost surely, 2^{101020112020171} is an apocalyptic number.

101020112020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020112020171 is an equidigital number, since it uses as much as digits as its factorization.

101020112020171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 101020112020171 its reverse (171020211020101), we get a palindrome (272040323040272).

The spelling of 101020112020171 in words is "one hundred one trillion, twenty billion, one hundred twelve million, twenty thousand, one hundred seventy-one".