1102221271 has 2 divisors, whose sum is σ = 1102221272. Its totient is φ = 1102221270.

The previous prime is 1102221251. The next prime is 1102221277. The reversal of 1102221271 is 1721222011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1102221271 - 2⁷ = 1102221143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102221277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551110635 + 551110636.

It is an arithmetic number, because the mean of its divisors is an integer number (551110636).

Almost surely, 2^1102221271 is an apocalyptic number.

1102221271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102221271 is an equidigital number, since it uses as much as digits as its factorization.

1102221271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1102221271 is about 33199.7179355488. The cubic root of 1102221271 is about 1032.9744888456.

Adding to 1102221271 its reverse (1721222011), we get a palindrome (2823443282).

The spelling of 1102221271 in words is "one billion, one hundred two million, two hundred twenty-one thousand, two hundred seventy-one".