11222211011011 has 16 divisors (see below), whose sum is σ = 15067584016128. Its totient is φ = 8071920007200.

The previous prime is 11222211010999. The next prime is 11222211011071. The reversal of 11222211011011 is 11011011222211.

It is not a de Polignac number, because 11222211011011 - 2¹⁵ = 11222210978243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222211011071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5605499005 + ... + 5605501006.

It is an arithmetic number, because the mean of its divisors is an integer number (941724001008).

Almost surely, 2^{11222211011011} is an apocalyptic number.

11222211011011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11222211011011 is a deficient number, since it is larger than the sum of its proper divisors (3845373005117).

11222211011011 is a wasteful number, since it uses less digits than its factorization.

11222211011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211000042.

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

Adding to 11222211011011 its reverse (11011011222211), we get a palindrome (22233222233222).

The spelling of 11222211011011 in words is "eleven trillion, two hundred twenty-two billion, two hundred eleven million, eleven thousand, eleven".