1121223111317 has 2 divisors, whose sum is σ = 1121223111318. Its totient is φ = 1121223111316.

The previous prime is 1121223111277. The next prime is 1121223111377. The reversal of 1121223111317 is 7131113221211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 899109789796 + 222113321521 = 948214^2 + 471289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121223111317 - 2¹⁶ = 1121223045781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121223111377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560611555658 + 560611555659.

It is an arithmetic number, because the mean of its divisors is an integer number (560611555659).

Almost surely, 2^{1121223111317} is an apocalyptic number.

It is an amenable number.

1121223111317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121223111317 is an equidigital number, since it uses as much as digits as its factorization.

1121223111317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 26.

Adding to 1121223111317 its reverse (7131113221211), we get a palindrome (8252336332528).

The spelling of 1121223111317 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred eleven thousand, three hundred seventeen".