11022230221 has 2 divisors, whose sum is σ = 11022230222. Its totient is φ = 11022230220.

The previous prime is 11022230207. The next prime is 11022230251. The reversal of 11022230221 is 12203222011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9806940900 + 1215289321 = 99030^2 + 34861^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022230221 - 2⁵ = 11022230189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11022230195 and 11022230204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022230251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511115110 + 5511115111.

It is an arithmetic number, because the mean of its divisors is an integer number (5511115111).

Almost surely, 2^11022230221 is an apocalyptic number.

It is an amenable number.

11022230221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022230221 is an equidigital number, since it uses as much as digits as its factorization.

11022230221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11022230221 its reverse (12203222011), we get a palindrome (23225452232).

The spelling of 11022230221 in words is "eleven billion, twenty-two million, two hundred thirty thousand, two hundred twenty-one".