11102020110221 has 2 divisors, whose sum is σ = 11102020110222. Its totient is φ = 11102020110220.

The previous prime is 11102020110173. The next prime is 11102020110229. The reversal of 11102020110221 is 12201102020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8285681652196 + 2816338458025 = 2878486^2 + 1678195^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102020110221 - 2²² = 11102015915917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102020110196 and 11102020110205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102020110229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551010055110 + 5551010055111.

It is an arithmetic number, because the mean of its divisors is an integer number (5551010055111).

Almost surely, 2^{11102020110221} is an apocalyptic number.

It is an amenable number.

11102020110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102020110221 is an equidigital number, since it uses as much as digits as its factorization.

11102020110221 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 11102020110221 its reverse (12201102020111), we get a palindrome (23303122130332).

The spelling of 11102020110221 in words is "eleven trillion, one hundred two billion, twenty million, one hundred ten thousand, two hundred twenty-one".