11321222112211 has 16 divisors (see below), whose sum is σ = 12887529378048. Its totient is φ = 9844441437600.

The previous prime is 11321222112203. The next prime is 11321222112217. The reversal of 11321222112211 is 11221122212311.

It is not a de Polignac number, because 11321222112211 - 2³ = 11321222112203 is a prime.

It is a super-2 number, since 2×11321222112211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321222112217) 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, 36804316 + ... + 37110646.

It is an arithmetic number, because the mean of its divisors is an integer number (805470586128).

Almost surely, 2^{11321222112211} is an apocalyptic number.

11321222112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11321222112211 is a deficient number, since it is larger than the sum of its proper divisors (1566307265837).

11321222112211 is a wasteful number, since it uses less digits than its factorization.

11321222112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452442.

The product of its digits is 192, while the sum is 22.

Adding to 11321222112211 its reverse (11221122212311), we get a palindrome (22542344324522).

The spelling of 11321222112211 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred eleven".