11210221120111 has 4 divisors (see below), whose sum is σ = 12072545821672. Its totient is φ = 10347896418552.

The previous prime is 11210221120097. The next prime is 11210221120129. The reversal of 11210221120111 is 11102112201211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11210221120111 - 2⁷ = 11210221119983 is a prime.

It is a super-3 number, since 3×11210221120111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210221120151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431162350761 + ... + 431162350786.

It is an arithmetic number, because the mean of its divisors is an integer number (3018136455418).

Almost surely, 2^{11210221120111} is an apocalyptic number.

11210221120111 is a deficient number, since it is larger than the sum of its proper divisors (862324701561).

11210221120111 is an equidigital number, since it uses as much as digits as its factorization.

11210221120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862324701560.

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

Adding to 11210221120111 its reverse (11102112201211), we get a palindrome (22312333321322).

The spelling of 11210221120111 in words is "eleven trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty thousand, one hundred eleven".