11021020020217 has 2 divisors, whose sum is σ = 11021020020218. Its totient is φ = 11021020020216.

The previous prime is 11021020020209. The next prime is 11021020020221. The reversal of 11021020020217 is 71202002012011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10187772365241 + 833247654976 = 3191829^2 + 912824^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021020020217 - 2³ = 11021020020209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021020020194 and 11021020020203.

It is not a weakly prime, because it can be changed into another prime (11021020020617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510510010108 + 5510510010109.

It is an arithmetic number, because the mean of its divisors is an integer number (5510510010109).

Almost surely, 2^{11021020020217} is an apocalyptic number.

It is an amenable number.

11021020020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021020020217 is an equidigital number, since it uses as much as digits as its factorization.

11021020020217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 11021020020217 its reverse (71202002012011), we get a palindrome (82223022032228).

The spelling of 11021020020217 in words is "eleven trillion, twenty-one billion, twenty million, twenty thousand, two hundred seventeen".