11102000121221 has 2 divisors, whose sum is σ = 11102000121222. Its totient is φ = 11102000121220.

The previous prime is 11102000121151. The next prime is 11102000121257. The reversal of 11102000121221 is 12212100020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9003300302500 + 2098699818721 = 3000550^2 + 1448689^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102000121221 - 2¹⁸ = 11101999859077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102000121196 and 11102000121205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102000129221) 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, 5551000060610 + 5551000060611.

It is an arithmetic number, because the mean of its divisors is an integer number (5551000060611).

Almost surely, 2^{11102000121221} is an apocalyptic number.

It is an amenable number.

11102000121221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102000121221 is an equidigital number, since it uses as much as digits as its factorization.

11102000121221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11102000121221 its reverse (12212100020111), we get a palindrome (23314100141332).

The spelling of 11102000121221 in words is "eleven trillion, one hundred two billion, one hundred twenty-one thousand, two hundred twenty-one".