111210110133217 has 2 divisors, whose sum is σ = 111210110133218. Its totient is φ = 111210110133216.

The previous prime is 111210110133209. The next prime is 111210110133223. The reversal of 111210110133217 is 712331011012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66408091581456 + 44802018551761 = 8149116^2 + 6693431^2 .

It is a cyclic number.

It is not a de Polignac number, because 111210110133217 - 2³ = 111210110133209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111210110133191 and 111210110133200.

It is not a weakly prime, because it can be changed into another prime (111210110433217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605055066608 + 55605055066609.

It is an arithmetic number, because the mean of its divisors is an integer number (55605055066609).

Almost surely, 2^{111210110133217} is an apocalyptic number.

It is an amenable number.

111210110133217 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210110133217 is an equidigital number, since it uses as much as digits as its factorization.

111210110133217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 111210110133217 its reverse (712331011012111), we get a palindrome (823541121145328).

The spelling of 111210110133217 in words is "one hundred eleven trillion, two hundred ten billion, one hundred ten million, one hundred thirty-three thousand, two hundred seventeen".