1111101010111 has 2 divisors, whose sum is σ = 1111101010112. Its totient is φ = 1111101010110.

The previous prime is 1111101010109. The next prime is 1111101010177. The reversal of 1111101010111 is 1110101011111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1110101011111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111101010111 - 2¹ = 1111101010109 is a prime.

Together with 1111101010109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111101013111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550505055 + 555550505056.

It is an arithmetic number, because the mean of its divisors is an integer number (555550505056).

Almost surely, 2^{1111101010111} is an apocalyptic number.

1111101010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111101010111 is an equidigital number, since it uses as much as digits as its factorization.

1111101010111 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 10.

Adding to 1111101010111 its reverse (1110101011111), we get a palindrome (2221202021222).

It can be divided in two parts, 11 and 11101010111, that multiplied together give a palindrome (122111111221).

The spelling of 1111101010111 in words is "one trillion, one hundred eleven billion, one hundred one million, ten thousand, one hundred eleven".