22212200120171 has 2 divisors, whose sum is σ = 22212200120172. Its totient is φ = 22212200120170.

The previous prime is 22212200120087. The next prime is 22212200120233. The reversal of 22212200120171 is 17102100221222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22212200120171 - 2²⁶ = 22212133011307 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212203120171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106100060085 + 11106100060086.

It is an arithmetic number, because the mean of its divisors is an integer number (11106100060086).

Almost surely, 2^{22212200120171} is an apocalyptic number.

22212200120171 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212200120171 is an equidigital number, since it uses as much as digits as its factorization.

22212200120171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 22212200120171 its reverse (17102100221222), we get a palindrome (39314300341393).

The spelling of 22212200120171 in words is "twenty-two trillion, two hundred twelve billion, two hundred million, one hundred twenty thousand, one hundred seventy-one".