11221012223 has 2 divisors, whose sum is σ = 11221012224. Its totient is φ = 11221012222.

The previous prime is 11221012219. The next prime is 11221012261. The reversal of 11221012223 is 32221012211.

It is a weak prime.

It is an emirp because it is prime and its reverse (32221012211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221012223 - 2² = 11221012219 is a prime.

It is a super-2 number, since 2×11221012223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221012213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610506111 + 5610506112.

It is an arithmetic number, because the mean of its divisors is an integer number (5610506112).

Almost surely, 2^11221012223 is an apocalyptic number.

11221012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221012223 is an equidigital number, since it uses as much as digits as its factorization.

11221012223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11221012223 its reverse (32221012211), we get a palindrome (43442024434).

The spelling of 11221012223 in words is "eleven billion, two hundred twenty-one million, twelve thousand, two hundred twenty-three".