11012220011 has 16 divisors (see below), whose sum is σ = 11954040000. Its totient is φ = 10084238208.

The previous prime is 11012219963. The next prime is 11012220041. The reversal of 11012220011 is 11002221011.

It is a cyclic number.

It is not a de Polignac number, because 11012220011 - 2¹⁴ = 11012203627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012219974 and 11012220001.

It is not an unprimeable number, because it can be changed into a prime (11012220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896765 + ... + 908961.

It is an arithmetic number, because the mean of its divisors is an integer number (747127500).

Almost surely, 2^11012220011 is an apocalyptic number.

11012220011 is a deficient number, since it is larger than the sum of its proper divisors (941819989).

11012220011 is a wasteful number, since it uses less digits than its factorization.

11012220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12758.

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

Adding to 11012220011 its reverse (11002221011), we get a palindrome (22014441022).

The spelling of 11012220011 in words is "eleven billion, twelve million, two hundred twenty thousand, eleven".