1011011113111 has 2 divisors, whose sum is σ = 1011011113112. Its totient is φ = 1011011113110.

The previous prime is 1011011113081. The next prime is 1011011113127. The reversal of 1011011113111 is 1113111101101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011011113111 - 2²⁷ = 1010876895383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011011113091 and 1011011113100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011011110111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505505556555 + 505505556556.

It is an arithmetic number, because the mean of its divisors is an integer number (505505556556).

Almost surely, 2^{1011011113111} is an apocalyptic number.

1011011113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011011113111 is an equidigital number, since it uses as much as digits as its factorization.

1011011113111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 13.

Adding to 1011011113111 its reverse (1113111101101), we get a palindrome (2124122214212).

It can be divided in two parts, 101101 and 1113111, that multiplied together give a palindrome (112536635211).

The spelling of 1011011113111 in words is "one trillion, eleven billion, eleven million, one hundred thirteen thousand, one hundred eleven".