111120000203171 has 2 divisors, whose sum is σ = 111120000203172. Its totient is φ = 111120000203170.

The previous prime is 111120000203161. The next prime is 111120000203273. The reversal of 111120000203171 is 171302000021111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111120000203171 - 2²² = 111119996008867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111120000203161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560000101585 + 55560000101586.

It is an arithmetic number, because the mean of its divisors is an integer number (55560000101586).

Almost surely, 2^{111120000203171} is an apocalyptic number.

111120000203171 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120000203171 is an equidigital number, since it uses as much as digits as its factorization.

111120000203171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 111120000203171 its reverse (171302000021111), we get a palindrome (282422000224282).

The spelling of 111120000203171 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred three thousand, one hundred seventy-one".