11210122081121 has 2 divisors, whose sum is σ = 11210122081122. Its totient is φ = 11210122081120.

The previous prime is 11210122081111. The next prime is 11210122081141. The reversal of 11210122081121 is 12118022101211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8430196110400 + 2779925970721 = 2903480^2 + 1667311^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210122081121 - 2¹⁰ = 11210122080097 is a prime.

It is not a weakly prime, because it can be changed into another prime (11210122081111) 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, 5605061040560 + 5605061040561.

It is an arithmetic number, because the mean of its divisors is an integer number (5605061040561).

Almost surely, 2^{11210122081121} is an apocalyptic number.

It is an amenable number.

11210122081121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210122081121 is an equidigital number, since it uses as much as digits as its factorization.

11210122081121 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 23.

Adding to 11210122081121 its reverse (12118022101211), we get a palindrome (23328144182332).

The spelling of 11210122081121 in words is "eleven trillion, two hundred ten billion, one hundred twenty-two million, eighty-one thousand, one hundred twenty-one".