1210101200171 has 2 divisors, whose sum is σ = 1210101200172. Its totient is φ = 1210101200170.

The previous prime is 1210101200159. The next prime is 1210101200263. The reversal of 1210101200171 is 1710021010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210101200171 - 2¹⁴ = 1210101183787 is a prime.

It is a super-2 number, since 2×1210101200171² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210101200141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605050600085 + 605050600086.

It is an arithmetic number, because the mean of its divisors is an integer number (605050600086).

Almost surely, 2^{1210101200171} is an apocalyptic number.

1210101200171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210101200171 is an equidigital number, since it uses as much as digits as its factorization.

1210101200171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 1210101200171 its reverse (1710021010121), we get a palindrome (2920122210292).

The spelling of 1210101200171 in words is "one trillion, two hundred ten billion, one hundred one million, two hundred thousand, one hundred seventy-one".