11331220222117 has 2 divisors, whose sum is σ = 11331220222118. Its totient is φ = 11331220222116.

The previous prime is 11331220222109. The next prime is 11331220222159. The reversal of 11331220222117 is 71122202213311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6916510765476 + 4414709456641 = 2629926^2 + 2101121^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331220222117 - 2³ = 11331220222109 is a prime.

It is a super-2 number, since 2×11331220222117² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331220222717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665610111058 + 5665610111059.

It is an arithmetic number, because the mean of its divisors is an integer number (5665610111059).

Almost surely, 2^{11331220222117} is an apocalyptic number.

It is an amenable number.

11331220222117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331220222117 is an equidigital number, since it uses as much as digits as its factorization.

11331220222117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 11331220222117 its reverse (71122202213311), we get a palindrome (82453422435428).

The spelling of 11331220222117 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty million, two hundred twenty-two thousand, one hundred seventeen".