11023122202121 has 2 divisors, whose sum is σ = 11023122202122. Its totient is φ = 11023122202120.

The previous prime is 11023122202097. The next prime is 11023122202153. The reversal of 11023122202121 is 12120222132011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9486005764096 + 1537116438025 = 3079936^2 + 1239805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023122202121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11023122202093 and 11023122202102.

It is not a weakly prime, because it can be changed into another prime (11023122222121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511561101060 + 5511561101061.

It is an arithmetic number, because the mean of its divisors is an integer number (5511561101061).

Almost surely, 2^{11023122202121} is an apocalyptic number.

It is an amenable number.

11023122202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11023122202121 is an equidigital number, since it uses as much as digits as its factorization.

11023122202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11023122202121 its reverse (12120222132011), we get a palindrome (23143344334132).

The spelling of 11023122202121 in words is "eleven trillion, twenty-three billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-one".