11131330221233 has 2 divisors, whose sum is σ = 11131330221234. Its totient is φ = 11131330221232.

The previous prime is 11131330221229. The next prime is 11131330221259. The reversal of 11131330221233 is 33212203313111.

It is an a-pointer prime, because the next prime (11131330221259) can be obtained adding 11131330221233 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11103336915889 + 27993305344 = 3332167^2 + 167312^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131330221233 - 2² = 11131330221229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11131330221223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565665110616 + 5565665110617.

It is an arithmetic number, because the mean of its divisors is an integer number (5565665110617).

Almost surely, 2^{11131330221233} is an apocalyptic number.

It is an amenable number.

11131330221233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131330221233 is an equidigital number, since it uses as much as digits as its factorization.

11131330221233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11131330221233 its reverse (33212203313111), we get a palindrome (44343533534344).

The spelling of 11131330221233 in words is "eleven trillion, one hundred thirty-one billion, three hundred thirty million, two hundred twenty-one thousand, two hundred thirty-three".