11331202020217 has 2 divisors, whose sum is σ = 11331202020218. Its totient is φ = 11331202020216.

The previous prime is 11331202020119. The next prime is 11331202020227. The reversal of 11331202020217 is 71202020213311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11248048223721 + 83153796496 = 3353811^2 + 288364^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331202020217 - 2²⁷ = 11331067802489 is a prime.

It is a super-2 number, since 2×11331202020217² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11331202020191 and 11331202020200.

It is not a weakly prime, because it can be changed into another prime (11331202020227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665601010108 + 5665601010109.

It is an arithmetic number, because the mean of its divisors is an integer number (5665601010109).

Almost surely, 2^{11331202020217} is an apocalyptic number.

It is an amenable number.

11331202020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331202020217 is an equidigital number, since it uses as much as digits as its factorization.

11331202020217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 11331202020217 its reverse (71202020213311), we get a palindrome (82533222233528).

The spelling of 11331202020217 in words is "eleven trillion, three hundred thirty-one billion, two hundred two million, twenty thousand, two hundred seventeen".