120011113111 has 2 divisors, whose sum is σ = 120011113112. Its totient is φ = 120011113110.

The previous prime is 120011113091. The next prime is 120011113139. The reversal of 120011113111 is 111311110021.

It is a weak prime.

It is an emirp because it is prime and its reverse (111311110021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120011113111 - 2¹¹ = 120011111063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120011113091 and 120011113100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011113181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005556555 + 60005556556.

It is an arithmetic number, because the mean of its divisors is an integer number (60005556556).

Almost surely, 2^120011113111 is an apocalyptic number.

120011113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011113111 is an equidigital number, since it uses as much as digits as its factorization.

120011113111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 120011113111 its reverse (111311110021), we get a palindrome (231322223132).

The spelling of 120011113111 in words is "one hundred twenty billion, eleven million, one hundred thirteen thousand, one hundred eleven".