1022112221171 has 2 divisors, whose sum is σ = 1022112221172. Its totient is φ = 1022112221170.

The previous prime is 1022112221149. The next prime is 1022112221191. The reversal of 1022112221171 is 1711222112201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022112221171 - 2⁶ = 1022112221107 is a prime.

It is a super-2 number, since 2×1022112221171² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022112221191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511056110585 + 511056110586.

It is an arithmetic number, because the mean of its divisors is an integer number (511056110586).

Almost surely, 2^{1022112221171} is an apocalyptic number.

1022112221171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022112221171 is an equidigital number, since it uses as much as digits as its factorization.

1022112221171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 1022112221171 its reverse (1711222112201), we get a palindrome (2733334333372).

The spelling of 1022112221171 in words is "one trillion, twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred seventy-one".