11012020020217 has 2 divisors, whose sum is σ = 11012020020218. Its totient is φ = 11012020020216.

The previous prime is 11012020020203. The next prime is 11012020020247. The reversal of 11012020020217 is 71202002021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7126315674256 + 3885704345961 = 2669516^2 + 1971219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012020020217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012020020194 and 11012020020203.

It is not a weakly prime, because it can be changed into another prime (11012020020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506010010108 + 5506010010109.

It is an arithmetic number, because the mean of its divisors is an integer number (5506010010109).

Almost surely, 2^{11012020020217} is an apocalyptic number.

It is an amenable number.

11012020020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012020020217 is an equidigital number, since it uses as much as digits as its factorization.

11012020020217 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 11012020020217 its reverse (71202002021011), we get a palindrome (82214022041228).

The spelling of 11012020020217 in words is "eleven trillion, twelve billion, twenty million, twenty thousand, two hundred seventeen".