1203112001171 has 2 divisors, whose sum is σ = 1203112001172. Its totient is φ = 1203112001170.

The previous prime is 1203112001153. The next prime is 1203112001207. The reversal of 1203112001171 is 1711002113021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1711002113021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203112001171 - 2³⁰ = 1202038259347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203112001131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601556000585 + 601556000586.

It is an arithmetic number, because the mean of its divisors is an integer number (601556000586).

Almost surely, 2^{1203112001171} is an apocalyptic number.

1203112001171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203112001171 is an equidigital number, since it uses as much as digits as its factorization.

1203112001171 is an evil number, because the sum of its binary digits is even.

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

Adding to 1203112001171 its reverse (1711002113021), we get a palindrome (2914114114192).

The spelling of 1203112001171 in words is "one trillion, two hundred three billion, one hundred twelve million, one thousand, one hundred seventy-one".