11121022011101 has 2 divisors, whose sum is σ = 11121022011102. Its totient is φ = 11121022011100.

The previous prime is 11121022011091. The next prime is 11121022011163. The reversal of 11121022011101 is 10111022012111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11044223191225 + 76798819876 = 3323285^2 + 277126^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121022011101 - 2⁶ = 11121022011037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121022011181) 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, 5560511005550 + 5560511005551.

It is an arithmetic number, because the mean of its divisors is an integer number (5560511005551).

Almost surely, 2^{11121022011101} is an apocalyptic number.

It is an amenable number.

11121022011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121022011101 is an equidigital number, since it uses as much as digits as its factorization.

11121022011101 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 14.

Adding to 11121022011101 its reverse (10111022012111), we get a palindrome (21232044023212).

The spelling of 11121022011101 in words is "eleven trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, one hundred one".