100222221020171 has 2 divisors, whose sum is σ = 100222221020172. Its totient is φ = 100222221020170.

The previous prime is 100222221020149. The next prime is 100222221020227. The reversal of 100222221020171 is 171020122222001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100222221020171 - 2³⁰ = 100221147278347 is a prime.

It is not a weakly prime, because it can be changed into another prime (100222221020111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111110510085 + 50111110510086.

It is an arithmetic number, because the mean of its divisors is an integer number (50111110510086).

Almost surely, 2^{100222221020171} is an apocalyptic number.

100222221020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222221020171 is an equidigital number, since it uses as much as digits as its factorization.

100222221020171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 100222221020171 its reverse (171020122222001), we get a palindrome (271242343242172).

The spelling of 100222221020171 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty thousand, one hundred seventy-one".