111110021120011 has 2 divisors, whose sum is σ = 111110021120012. Its totient is φ = 111110021120010.

The previous prime is 111110021119973. The next prime is 111110021120057. The reversal of 111110021120011 is 110021120011111.

It is a weak prime.

It is an emirp because it is prime and its reverse (110021120011111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111110021120011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111110021119973 and 111110021120000.

It is not a weakly prime, because it can be changed into another prime (111110021120411) 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, 55555010560005 + 55555010560006.

It is an arithmetic number, because the mean of its divisors is an integer number (55555010560006).

Almost surely, 2^{111110021120011} is an apocalyptic number.

111110021120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110021120011 is an equidigital number, since it uses as much as digits as its factorization.

111110021120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111110021120011 its reverse (110021120011111), we get a palindrome (221131141131122).

It can be divided in two parts, 111 and 110021120011, that multiplied together give a palindrome (12212344321221).

The spelling of 111110021120011 in words is "one hundred eleven trillion, one hundred ten billion, twenty-one million, one hundred twenty thousand, eleven".