1220230310171 has 2 divisors, whose sum is σ = 1220230310172. Its totient is φ = 1220230310170.

The previous prime is 1220230310137. The next prime is 1220230310179. The reversal of 1220230310171 is 1710130320221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220230310171 - 2⁶ = 1220230310107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220230310179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610115155085 + 610115155086.

It is an arithmetic number, because the mean of its divisors is an integer number (610115155086).

Almost surely, 2^{1220230310171} is an apocalyptic number.

1220230310171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220230310171 is an equidigital number, since it uses as much as digits as its factorization.

1220230310171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 1220230310171 its reverse (1710130320221), we get a palindrome (2930360630392).

The spelling of 1220230310171 in words is "one trillion, two hundred twenty billion, two hundred thirty million, three hundred ten thousand, one hundred seventy-one".