2220112012171 has 2 divisors, whose sum is σ = 2220112012172. Its totient is φ = 2220112012170.

The previous prime is 2220112012057. The next prime is 2220112012211. The reversal of 2220112012171 is 1712102110222.

2220112012171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220112012171 - 2²⁷ = 2219977794443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220112022171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110056006085 + 1110056006086.

It is an arithmetic number, because the mean of its divisors is an integer number (1110056006086).

Almost surely, 2^{2220112012171} is an apocalyptic number.

2220112012171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220112012171 is an equidigital number, since it uses as much as digits as its factorization.

2220112012171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 2220112012171 its reverse (1712102110222), we get a palindrome (3932214122393).

The spelling of 2220112012171 in words is "two trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, one hundred seventy-one".