11121011222201 has 2 divisors, whose sum is σ = 11121011222202. Its totient is φ = 11121011222200.

The previous prime is 11121011222099. The next prime is 11121011222239. The reversal of 11121011222201 is 10222211012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10738394748601 + 382616473600 = 3276949^2 + 618560^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121011222201 - 2⁴² = 6722964711097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11121011222201.

It is not a weakly prime, because it can be changed into another prime (11121011222501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560505611100 + 5560505611101.

It is an arithmetic number, because the mean of its divisors is an integer number (5560505611101).

Almost surely, 2^{11121011222201} is an apocalyptic number.

It is an amenable number.

11121011222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121011222201 is an equidigital number, since it uses as much as digits as its factorization.

11121011222201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121011222201 its reverse (10222211012111), we get a palindrome (21343222234312).

The spelling of 11121011222201 in words is "eleven trillion, one hundred twenty-one billion, eleven million, two hundred twenty-two thousand, two hundred one".