11331121222417 has 2 divisors, whose sum is σ = 11331121222418. Its totient is φ = 11331121222416.

The previous prime is 11331121222331. The next prime is 11331121222427. The reversal of 11331121222417 is 71422212113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8559082699281 + 2772038523136 = 2925591^2 + 1664944^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331121222417 - 2³¹ = 11328973738769 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331121222427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665560611208 + 5665560611209.

It is an arithmetic number, because the mean of its divisors is an integer number (5665560611209).

Almost surely, 2^{11331121222417} is an apocalyptic number.

It is an amenable number.

11331121222417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331121222417 is an equidigital number, since it uses as much as digits as its factorization.

11331121222417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

Adding to 11331121222417 its reverse (71422212113311), we get a palindrome (82753333335728).

The spelling of 11331121222417 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred twenty-two thousand, four hundred seventeen".