11321220220011 has 32 divisors (see below), whose sum is σ = 18063137093120. Its totient is φ = 6966599480352.

The previous prime is 11321220220003. The next prime is 11321220220129. The reversal of 11321220220011 is 11002202212311.

It is not a de Polignac number, because 11321220220011 - 2³ = 11321220220003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321220220811) 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, 7449210 + ... + 8839296.

It is an arithmetic number, because the mean of its divisors is an integer number (564473034160).

Almost surely, 2^{11321220220011} is an apocalyptic number.

11321220220011 is a deficient number, since it is larger than the sum of its proper divisors (6741916873109).

11321220220011 is a wasteful number, since it uses less digits than its factorization.

11321220220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413312 (or 1413306 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11321220220011 its reverse (11002202212311), we get a palindrome (22323422432322).

The spelling of 11321220220011 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, eleven".