1012100102171 has 2 divisors, whose sum is σ = 1012100102172. Its totient is φ = 1012100102170.

The previous prime is 1012100102119. The next prime is 1012100102177. The reversal of 1012100102171 is 1712010012101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012100102171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012100102177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506050051085 + 506050051086.

It is an arithmetic number, because the mean of its divisors is an integer number (506050051086).

Almost surely, 2^{1012100102171} is an apocalyptic number.

1012100102171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012100102171 is an equidigital number, since it uses as much as digits as its factorization.

1012100102171 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 1012100102171 its reverse (1712010012101), we get a palindrome (2724110114272).

The spelling of 1012100102171 in words is "one trillion, twelve billion, one hundred million, one hundred two thousand, one hundred seventy-one".