1121133311213 has 2 divisors, whose sum is σ = 1121133311214. Its totient is φ = 1121133311212.

The previous prime is 1121133311197. The next prime is 1121133311293. The reversal of 1121133311213 is 3121133311211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661419478729 + 459713832484 = 813277^2 + 678022^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121133311213 - 2⁴ = 1121133311197 is a prime.

It is a super-2 number, since 2×1121133311213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121133311293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560566655606 + 560566655607.

It is an arithmetic number, because the mean of its divisors is an integer number (560566655607).

Almost surely, 2^{1121133311213} is an apocalyptic number.

It is an amenable number.

1121133311213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121133311213 is an equidigital number, since it uses as much as digits as its factorization.

1121133311213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 23.

Adding to 1121133311213 its reverse (3121133311211), we get a palindrome (4242266622424).

The spelling of 1121133311213 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-three million, three hundred eleven thousand, two hundred thirteen".