102012122111017 has 2 divisors, whose sum is σ = 102012122111018. Its totient is φ = 102012122111016.

The previous prime is 102012122110991. The next prime is 102012122111021. The reversal of 102012122111017 is 710111221210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60716448389776 + 41295673721241 = 7792076^2 + 6426171^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012122111017 - 2⁷ = 102012122110889 is a prime.

It is not a weakly prime, because it can be changed into another prime (102012122111617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006061055508 + 51006061055509.

It is an arithmetic number, because the mean of its divisors is an integer number (51006061055509).

Almost surely, 2^{102012122111017} is an apocalyptic number.

It is an amenable number.

102012122111017 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012122111017 is an equidigital number, since it uses as much as digits as its factorization.

102012122111017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 102012122111017 its reverse (710111221210201), we get a palindrome (812123343321218).

The spelling of 102012122111017 in words is "one hundred two trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, seventeen".