11021223271 has 2 divisors, whose sum is σ = 11021223272. Its totient is φ = 11021223270.

The previous prime is 11021223247. The next prime is 11021223313. The reversal of 11021223271 is 17232212011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021223271 - 2⁹ = 11021222759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021223221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510611635 + 5510611636.

It is an arithmetic number, because the mean of its divisors is an integer number (5510611636).

Almost surely, 2^11021223271 is an apocalyptic number.

11021223271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021223271 is an equidigital number, since it uses as much as digits as its factorization.

11021223271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 11021223271 its reverse (17232212011), we get a palindrome (28253435282).

The spelling of 11021223271 in words is "eleven billion, twenty-one million, two hundred twenty-three thousand, two hundred seventy-one".