1131434223211 has 2 divisors, whose sum is σ = 1131434223212. Its totient is φ = 1131434223210.

The previous prime is 1131434223169. The next prime is 1131434223223. The reversal of 1131434223211 is 1123224341311.

It is a strong prime.

It is an emirp because it is prime and its reverse (1123224341311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131434223211 - 2²⁵ = 1131400668779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131434223211.

It is not a weakly prime, because it can be changed into another prime (1131234223211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565717111605 + 565717111606.

It is an arithmetic number, because the mean of its divisors is an integer number (565717111606).

Almost surely, 2^{1131434223211} is an apocalyptic number.

1131434223211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131434223211 is an equidigital number, since it uses as much as digits as its factorization.

1131434223211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 1131434223211 its reverse (1123224341311), we get a palindrome (2254658564522).

The spelling of 1131434223211 in words is "one trillion, one hundred thirty-one billion, four hundred thirty-four million, two hundred twenty-three thousand, two hundred eleven".