1121223333511 has 2 divisors, whose sum is σ = 1121223333512. Its totient is φ = 1121223333510.

The previous prime is 1121223333479. The next prime is 1121223333553. The reversal of 1121223333511 is 1153333221211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121223333511 - 2⁵ = 1121223333479 is a prime.

It is a super-3 number, since 3×1121223333511³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121223333511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121223333611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560611666755 + 560611666756.

It is an arithmetic number, because the mean of its divisors is an integer number (560611666756).

Almost surely, 2^{1121223333511} is an apocalyptic number.

1121223333511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121223333511 is an equidigital number, since it uses as much as digits as its factorization.

1121223333511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

Adding to 1121223333511 its reverse (1153333221211), we get a palindrome (2274556554722).

The spelling of 1121223333511 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-three thousand, five hundred eleven".