11220220012011 has 48 divisors (see below), whose sum is σ = 16795155000960. Its totient is φ = 6643029888000.

The previous prime is 11220220012007. The next prime is 11220220012069. The reversal of 11220220012011 is 11021002202211.

It is not a de Polignac number, because 11220220012011 - 2² = 11220220012007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220220014011) 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 in 47 ways as a sum of consecutive naturals, for example, 2777895 + ... + 5491551.

It is an arithmetic number, because the mean of its divisors is an integer number (349899062520).

Almost surely, 2^{11220220012011} is an apocalyptic number.

11220220012011 is a deficient number, since it is larger than the sum of its proper divisors (5574934988949).

11220220012011 is a wasteful number, since it uses less digits than its factorization.

11220220012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713964 (or 2713947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220220012011 its reverse (11021002202211), we get a palindrome (22241222214222).

The spelling of 11220220012011 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, twelve thousand, eleven".