1202101111171 has 2 divisors, whose sum is σ = 1202101111172. Its totient is φ = 1202101111170.

The previous prime is 1202101111163. The next prime is 1202101111193. The reversal of 1202101111171 is 1711111012021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202101111171 - 2³ = 1202101111163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202101112171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601050555585 + 601050555586.

It is an arithmetic number, because the mean of its divisors is an integer number (601050555586).

Almost surely, 2^{1202101111171} is an apocalyptic number.

1202101111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202101111171 is an equidigital number, since it uses as much as digits as its factorization.

1202101111171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 1202101111171 its reverse (1711111012021), we get a palindrome (2913212123192).

The spelling of 1202101111171 in words is "one trillion, two hundred two billion, one hundred one million, one hundred eleven thousand, one hundred seventy-one".