111214343412173 has 2 divisors, whose sum is σ = 111214343412174. Its totient is φ = 111214343412172.

The previous prime is 111214343412127. The next prime is 111214343412209. The reversal of 111214343412173 is 371214343412111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110320613303044 + 893730109129 = 10503362^2 + 945373^2 .

It is a cyclic number.

It is not a de Polignac number, because 111214343412173 - 2²² = 111214339217869 is a prime.

It is a super-3 number, since 3×111214343412173³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111214343412773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55607171706086 + 55607171706087.

It is an arithmetic number, because the mean of its divisors is an integer number (55607171706087).

Almost surely, 2^{111214343412173} is an apocalyptic number.

It is an amenable number.

111214343412173 is a deficient number, since it is larger than the sum of its proper divisors (1).

111214343412173 is an equidigital number, since it uses as much as digits as its factorization.

111214343412173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

Adding to 111214343412173 its reverse (371214343412111), we get a palindrome (482428686824284).

The spelling of 111214343412173 in words is "one hundred eleven trillion, two hundred fourteen billion, three hundred forty-three million, four hundred twelve thousand, one hundred seventy-three".