111102121112011 has 2 divisors, whose sum is σ = 111102121112012. Its totient is φ = 111102121112010.

The previous prime is 111102121111897. The next prime is 111102121112057. The reversal of 111102121112011 is 110211121201111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111102121112011 - 2⁴³ = 102306028089803 is a prime.

It is not a weakly prime, because it can be changed into another prime (111102121112911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551060556005 + 55551060556006.

It is an arithmetic number, because the mean of its divisors is an integer number (55551060556006).

Almost surely, 2^{111102121112011} is an apocalyptic number.

111102121112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102121112011 is an equidigital number, since it uses as much as digits as its factorization.

111102121112011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111102121112011 its reverse (110211121201111), we get a palindrome (221313242313122).

The spelling of 111102121112011 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-one million, one hundred twelve thousand, eleven".