2171170101103 has 2 divisors, whose sum is σ = 2171170101104. Its totient is φ = 2171170101102.

The previous prime is 2171170101059. The next prime is 2171170101157. The reversal of 2171170101103 is 3011010711712.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2171170101103 is a prime.

It is a super-2 number, since 2×2171170101103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171170108103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085585050551 + 1085585050552.

It is an arithmetic number, because the mean of its divisors is an integer number (1085585050552).

Almost surely, 2^{2171170101103} is an apocalyptic number.

2171170101103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171170101103 is an equidigital number, since it uses as much as digits as its factorization.

2171170101103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 25.

Adding to 2171170101103 its reverse (3011010711712), we get a palindrome (5182180812815).

The spelling of 2171170101103 in words is "two trillion, one hundred seventy-one billion, one hundred seventy million, one hundred one thousand, one hundred three".