11022222333121 has 2 divisors, whose sum is σ = 11022222333122. Its totient is φ = 11022222333120.

The previous prime is 11022222333079. The next prime is 11022222333127. The reversal of 11022222333121 is 12133322222011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9271787491521 + 1750434841600 = 3044961^2 + 1323040^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022222333121 - 2⁷ = 11022222332993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11022222333127) 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, 5511111166560 + 5511111166561.

It is an arithmetic number, because the mean of its divisors is an integer number (5511111166561).

Almost surely, 2^{11022222333121} is an apocalyptic number.

It is an amenable number.

11022222333121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022222333121 is an equidigital number, since it uses as much as digits as its factorization.

11022222333121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11022222333121 its reverse (12133322222011), we get a palindrome (23155544555132).

It can be divided in two parts, 1102222 and 2333121, that added together give a palindrome (3435343).

The spelling of 11022222333121 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, three hundred thirty-three thousand, one hundred twenty-one".