111020210011 has 2 divisors, whose sum is σ = 111020210012. Its totient is φ = 111020210010.

The previous prime is 111020210003. The next prime is 111020210027. The reversal of 111020210011 is 110012020111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111020210011 - 2³ = 111020210003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111020210011.

It is not a weakly prime, because it can be changed into another prime (111020210711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510105005 + 55510105006.

It is an arithmetic number, because the mean of its divisors is an integer number (55510105006).

Almost surely, 2^111020210011 is an apocalyptic number.

111020210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020210011 is an equidigital number, since it uses as much as digits as its factorization.

111020210011 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 10.

Adding to 111020210011 its reverse (110012020111), we get a palindrome (221032230122).

The spelling of 111020210011 in words is "one hundred eleven billion, twenty million, two hundred ten thousand, eleven".