1131202022011 has 2 divisors, whose sum is σ = 1131202022012. Its totient is φ = 1131202022010.

The previous prime is 1131202022003. The next prime is 1131202022081. The reversal of 1131202022011 is 1102202021311.

It is a weak prime.

It is an emirp because it is prime and its reverse (1102202021311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131202022011 - 2³ = 1131202022003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131202022081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565601011005 + 565601011006.

It is an arithmetic number, because the mean of its divisors is an integer number (565601011006).

Almost surely, 2^{1131202022011} is an apocalyptic number.

1131202022011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131202022011 is an equidigital number, since it uses as much as digits as its factorization.

1131202022011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1131202022011 its reverse (1102202021311), we get a palindrome (2233404043322).

The spelling of 1131202022011 in words is "one trillion, one hundred thirty-one billion, two hundred two million, twenty-two thousand, eleven".