11120010221 has 2 divisors, whose sum is σ = 11120010222. Its totient is φ = 11120010220.

The previous prime is 11120010151. The next prime is 11120010277. The reversal of 11120010221 is 12201002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11106208996 + 13801225 = 105386^2 + 3715^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120010221 - 2¹⁴ = 11119993837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120010521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560005110 + 5560005111.

It is an arithmetic number, because the mean of its divisors is an integer number (5560005111).

Almost surely, 2^11120010221 is an apocalyptic number.

It is an amenable number.

11120010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120010221 is an equidigital number, since it uses as much as digits as its factorization.

11120010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11120010221 its reverse (12201002111), we get a palindrome (23321012332).

The spelling of 11120010221 in words is "eleven billion, one hundred twenty million, ten thousand, two hundred twenty-one".