22110000001121 has 2 divisors, whose sum is σ = 22110000001122. Its totient is φ = 22110000001120.

The previous prime is 22110000001087. The next prime is 22110000001231. The reversal of 22110000001121 is 12110000001122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17167026042721 + 4942973958400 = 4143311^2 + 2223280^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110000001121 - 2⁶ = 22110000001057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22110000001421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055000000560 + 11055000000561.

It is an arithmetic number, because the mean of its divisors is an integer number (11055000000561).

Almost surely, 2^{22110000001121} is an apocalyptic number.

It is an amenable number.

22110000001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110000001121 is an equidigital number, since it uses as much as digits as its factorization.

22110000001121 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 22110000001121 its reverse (12110000001122), we get a palindrome (34220000002243).

Subtracting from 22110000001121 its reverse (12110000001122), we obtain a palindrome (9999999999999).

The spelling of 22110000001121 in words is "twenty-two trillion, one hundred ten billion, one thousand, one hundred twenty-one".