11220220222211 has 32 divisors (see below), whose sum is σ = 15065385742848. Its totient is φ = 8070233783040.

The previous prime is 11220220222181. The next prime is 11220220222217. The reversal of 11220220222211 is 11222202202211.

It is not a de Polignac number, because 11220220222211 - 2²² = 11220216027907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220220222217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35133296 + ... + 35451218.

It is an arithmetic number, because the mean of its divisors is an integer number (470793304464).

Almost surely, 2^{11220220222211} is an apocalyptic number.

11220220222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220220222211 is a deficient number, since it is larger than the sum of its proper divisors (3845165520637).

11220220222211 is a wasteful number, since it uses less digits than its factorization.

11220220222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353211.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11220220222211 its reverse (11222202202211), we get a palindrome (22442422424422).

The spelling of 11220220222211 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, two hundred eleven".