111010122221171 has 2 divisors, whose sum is σ = 111010122221172. Its totient is φ = 111010122221170.

The previous prime is 111010122221039. The next prime is 111010122221249. The reversal of 111010122221171 is 171122221010111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111010122221171 is a prime.

It is a super-2 number, since 2×111010122221171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111010122221371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505061110585 + 55505061110586.

It is an arithmetic number, because the mean of its divisors is an integer number (55505061110586).

Almost surely, 2^{111010122221171} is an apocalyptic number.

111010122221171 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010122221171 is an equidigital number, since it uses as much as digits as its factorization.

111010122221171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 111010122221171 its reverse (171122221010111), we get a palindrome (282132343231282).

The spelling of 111010122221171 in words is "one hundred eleven trillion, ten billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred seventy-one".