11020202111 has 16 divisors (see below), whose sum is σ = 11881650240. Its totient is φ = 10183073280.

The previous prime is 11020202093. The next prime is 11020202119. The reversal of 11020202111 is 11120202011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020202111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020202092 and 11020202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020202119) 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 in 15 ways as a sum of consecutive naturals, for example, 568070 + ... + 587148.

It is an arithmetic number, because the mean of its divisors is an integer number (742603140).

Almost surely, 2^11020202111 is an apocalyptic number.

11020202111 is a deficient number, since it is larger than the sum of its proper divisors (861448129).

11020202111 is a wasteful number, since it uses less digits than its factorization.

11020202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020202111 its reverse (11120202011), we get a palindrome (22140404122).

The spelling of 11020202111 in words is "eleven billion, twenty million, two hundred two thousand, one hundred eleven".