111101010111011 has 2 divisors, whose sum is σ = 111101010111012. Its totient is φ = 111101010111010.

The previous prime is 111101010110927. The next prime is 111101010111043. The reversal of 111101010111011 is 110111010101111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101010111011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111101010110983 and 111101010111001.

It is not a weakly prime, because it can be changed into another prime (111101010111911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550505055505 + 55550505055506.

It is an arithmetic number, because the mean of its divisors is an integer number (55550505055506).

Almost surely, 2^{111101010111011} is an apocalyptic number.

111101010111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101010111011 is an equidigital number, since it uses as much as digits as its factorization.

111101010111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 111101010111011 its reverse (110111010101111), we get a palindrome (221212020212122).

The spelling of 111101010111011 in words is "one hundred eleven trillion, one hundred one billion, ten million, one hundred eleven thousand, eleven".