111220010200171 has 2 divisors, whose sum is σ = 111220010200172. Its totient is φ = 111220010200170.

The previous prime is 111220010200139. The next prime is 111220010200241. The reversal of 111220010200171 is 171002010022111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111220010200171 - 2⁵ = 111220010200139 is a prime.

It is a super-2 number, since 2×111220010200171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111220010200121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610005100085 + 55610005100086.

It is an arithmetic number, because the mean of its divisors is an integer number (55610005100086).

Almost surely, 2^{111220010200171} is an apocalyptic number.

111220010200171 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220010200171 is an equidigital number, since it uses as much as digits as its factorization.

111220010200171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 111220010200171 its reverse (171002010022111), we get a palindrome (282222020222282).

The spelling of 111220010200171 in words is "one hundred eleven trillion, two hundred twenty billion, ten million, two hundred thousand, one hundred seventy-one".