1131132221311 has 2 divisors, whose sum is σ = 1131132221312. Its totient is φ = 1131132221310.

The previous prime is 1131132221293. The next prime is 1131132221341. The reversal of 1131132221311 is 1131222311311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131132221311 - 2¹⁷ = 1131132090239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131132221341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565566110655 + 565566110656.

It is an arithmetic number, because the mean of its divisors is an integer number (565566110656).

Almost surely, 2^{1131132221311} is an apocalyptic number.

1131132221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131132221311 is an equidigital number, since it uses as much as digits as its factorization.

1131132221311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 22.

Adding to 1131132221311 its reverse (1131222311311), we get a palindrome (2262354532622).

The spelling of 1131132221311 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, three hundred eleven".