101201002171 has 2 divisors, whose sum is σ = 101201002172. Its totient is φ = 101201002170.

The previous prime is 101201002121. The next prime is 101201002219. The reversal of 101201002171 is 171200102101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101201002171 - 2¹³ = 101200993979 is a prime.

It is not a weakly prime, because it can be changed into another prime (101201002121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600501085 + 50600501086.

It is an arithmetic number, because the mean of its divisors is an integer number (50600501086).

Almost surely, 2^101201002171 is an apocalyptic number.

101201002171 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201002171 is an equidigital number, since it uses as much as digits as its factorization.

101201002171 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 16.

Adding to 101201002171 its reverse (171200102101), we get a palindrome (272401104272).

The spelling of 101201002171 in words is "one hundred one billion, two hundred one million, two thousand, one hundred seventy-one".