1113101311111 has 2 divisors, whose sum is σ = 1113101311112. Its totient is φ = 1113101311110.

The previous prime is 1113101311073. The next prime is 1113101311159. The reversal of 1113101311111 is 1111131013111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113101311111 - 2¹⁵ = 1113101278343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113101311171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556550655555 + 556550655556.

It is an arithmetic number, because the mean of its divisors is an integer number (556550655556).

Almost surely, 2^{1113101311111} is an apocalyptic number.

1113101311111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113101311111 is an equidigital number, since it uses as much as digits as its factorization.

1113101311111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 1113101311111 its reverse (1111131013111), we get a palindrome (2224232324222).

It can be divided in two parts, 11131013111 and 11, that multiplied together give a palindrome (122441144221).

The spelling of 1113101311111 in words is "one trillion, one hundred thirteen billion, one hundred one million, three hundred eleven thousand, one hundred eleven".