1122010112221 has 2 divisors, whose sum is σ = 1122010112222. Its totient is φ = 1122010112220.

The previous prime is 1122010112207. The next prime is 1122010112231. The reversal of 1122010112221 is 1222110102211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 911499825625 + 210510286596 = 954725^2 + 458814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122010112221 - 2⁹ = 1122010111709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122010112195 and 1122010112204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122010112231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561005056110 + 561005056111.

It is an arithmetic number, because the mean of its divisors is an integer number (561005056111).

Almost surely, 2^{1122010112221} is an apocalyptic number.

It is an amenable number.

1122010112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122010112221 is an equidigital number, since it uses as much as digits as its factorization.

1122010112221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122010112221 its reverse (1222110102211), we get a palindrome (2344120214432).

The spelling of 1122010112221 in words is "one trillion, one hundred twenty-two billion, ten million, one hundred twelve thousand, two hundred twenty-one".