11122022022121 has 2 divisors, whose sum is σ = 11122022022122. Its totient is φ = 11122022022120.

The previous prime is 11122022022103. The next prime is 11122022022191. The reversal of 11122022022121 is 12122022022111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10374551112025 + 747470910096 = 3220955^2 + 864564^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122022022121 - 2⁹ = 11122022021609 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122022022191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561011011060 + 5561011011061.

It is an arithmetic number, because the mean of its divisors is an integer number (5561011011061).

Almost surely, 2^{11122022022121} is an apocalyptic number.

It is an amenable number.

11122022022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122022022121 is an equidigital number, since it uses as much as digits as its factorization.

11122022022121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11122022022121 its reverse (12122022022111), we get a palindrome (23244044044232).

The spelling of 11122022022121 in words is "eleven trillion, one hundred twenty-two billion, twenty-two million, twenty-two thousand, one hundred twenty-one".