1122211171 has 2 divisors, whose sum is σ = 1122211172. Its totient is φ = 1122211170.

The previous prime is 1122211127. The next prime is 1122211199. The reversal of 1122211171 is 1711122211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122211171 - 2⁷ = 1122211043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122211121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105585 + 561105586.

It is an arithmetic number, because the mean of its divisors is an integer number (561105586).

Almost surely, 2^1122211171 is an apocalyptic number.

1122211171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122211171 is an equidigital number, since it uses as much as digits as its factorization.

1122211171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56, while the sum is 19.

The square root of 1122211171 is about 33499.4204576736. The cubic root of 1122211171 is about 1039.1817932771.

Adding to 1122211171 its reverse (1711122211), we get a palindrome (2833333382).

The spelling of 1122211171 in words is "one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred seventy-one".