1101202220171 has 2 divisors, whose sum is σ = 1101202220172. Its totient is φ = 1101202220170.

The previous prime is 1101202220161. The next prime is 1101202220221. The reversal of 1101202220171 is 1710222021011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101202220171 - 2²² = 1101198025867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1101202220101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550601110085 + 550601110086.

It is an arithmetic number, because the mean of its divisors is an integer number (550601110086).

Almost surely, 2^{1101202220171} is an apocalyptic number.

1101202220171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101202220171 is an equidigital number, since it uses as much as digits as its factorization.

1101202220171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1101202220171 its reverse (1710222021011), we get a palindrome (2811424241182).

The spelling of 1101202220171 in words is "one trillion, one hundred one billion, two hundred two million, two hundred twenty thousand, one hundred seventy-one".