11112020011 has 2 divisors, whose sum is σ = 11112020012. Its totient is φ = 11112020010.

The previous prime is 11112019991. The next prime is 11112020027. The reversal of 11112020011 is 11002021111.

It is a strong prime.

It is an emirp because it is prime and its reverse (11002021111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11112020011 - 2¹¹ = 11112017963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112020011.

It is not a weakly prime, because it can be changed into another prime (11112020041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556010005 + 5556010006.

It is an arithmetic number, because the mean of its divisors is an integer number (5556010006).

Almost surely, 2^11112020011 is an apocalyptic number.

11112020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112020011 is an equidigital number, since it uses as much as digits as its factorization.

11112020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11112020011 its reverse (11002021111), we get a palindrome (22114041122).

It can be divided in two parts, 111120 and 20011, that added together give a palindrome (131131).

The spelling of 11112020011 in words is "eleven billion, one hundred twelve million, twenty thousand, eleven".