11210020121017 has 2 divisors, whose sum is σ = 11210020121018. Its totient is φ = 11210020121016.

The previous prime is 11210020120993. The next prime is 11210020121039. The reversal of 11210020121017 is 71012102001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9729683131536 + 1480336989481 = 3119244^2 + 1216691^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210020121017 - 2⁷ = 11210020120889 is a prime.

It is a super-2 number, since 2×11210020121017² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11210020120985 and 11210020121003.

It is not a weakly prime, because it can be changed into another prime (11210020122017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605010060508 + 5605010060509.

It is an arithmetic number, because the mean of its divisors is an integer number (5605010060509).

Almost surely, 2^{11210020121017} is an apocalyptic number.

It is an amenable number.

11210020121017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210020121017 is an equidigital number, since it uses as much as digits as its factorization.

11210020121017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 11210020121017 its reverse (71012102001211), we get a palindrome (82222122122228).

The spelling of 11210020121017 in words is "eleven trillion, two hundred ten billion, twenty million, one hundred twenty-one thousand, seventeen".