1012100122171 has 2 divisors, whose sum is σ = 1012100122172. Its totient is φ = 1012100122170.

The previous prime is 1012100122133. The next prime is 1012100122193. The reversal of 1012100122171 is 1712210012101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012100122171 - 2³⁵ = 977740383803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012100125171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506050061085 + 506050061086.

It is an arithmetic number, because the mean of its divisors is an integer number (506050061086).

Almost surely, 2^{1012100122171} is an apocalyptic number.

1012100122171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012100122171 is an equidigital number, since it uses as much as digits as its factorization.

1012100122171 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 1012100122171 its reverse (1712210012101), we get a palindrome (2724310134272).

The spelling of 1012100122171 in words is "one trillion, twelve billion, one hundred million, one hundred twenty-two thousand, one hundred seventy-one".