1101220100171 has 2 divisors, whose sum is σ = 1101220100172. Its totient is φ = 1101220100170.

The previous prime is 1101220100119. The next prime is 1101220100243. The reversal of 1101220100171 is 1710010221011.

It is a weak prime.

It is an emirp because it is prime and its reverse (1710010221011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101220100171 - 2⁶ = 1101220100107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101220100471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550610050085 + 550610050086.

It is an arithmetic number, because the mean of its divisors is an integer number (550610050086).

Almost surely, 2^{1101220100171} is an apocalyptic number.

1101220100171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101220100171 is an equidigital number, since it uses as much as digits as its factorization.

1101220100171 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 1101220100171 its reverse (1710010221011), we get a palindrome (2811230321182).

The spelling of 1101220100171 in words is "one trillion, one hundred one billion, two hundred twenty million, one hundred thousand, one hundred seventy-one".