1131213110011 has 2 divisors, whose sum is σ = 1131213110012. Its totient is φ = 1131213110010.

The previous prime is 1131213109979. The next prime is 1131213110051. The reversal of 1131213110011 is 1100113121311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131213110011 - 2⁵ = 1131213109979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131213110051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565606555005 + 565606555006.

It is an arithmetic number, because the mean of its divisors is an integer number (565606555006).

Almost surely, 2^{1131213110011} is an apocalyptic number.

1131213110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131213110011 is an equidigital number, since it uses as much as digits as its factorization.

1131213110011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1131213110011 its reverse (1100113121311), we get a palindrome (2231326231322).

The spelling of 1131213110011 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, one hundred ten thousand, eleven".