2003020012171 has 2 divisors, whose sum is σ = 2003020012172. Its totient is φ = 2003020012170.

The previous prime is 2003020012127. The next prime is 2003020012177. The reversal of 2003020012171 is 1712100203002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2003020012171 - 2¹³ = 2003020003979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003020012177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001510006085 + 1001510006086.

It is an arithmetic number, because the mean of its divisors is an integer number (1001510006086).

Almost surely, 2^{2003020012171} is an apocalyptic number.

2003020012171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003020012171 is an equidigital number, since it uses as much as digits as its factorization.

2003020012171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 2003020012171 its reverse (1712100203002), we get a palindrome (3715120215173).

The spelling of 2003020012171 in words is "two trillion, three billion, twenty million, twelve thousand, one hundred seventy-one".