22211111112211 has 8 divisors (see below), whose sum is σ = 26003252034144. Its totient is φ = 18573751452480.

The previous prime is 22211111112181. The next prime is 22211111112259. The reversal of 22211111112211 is 11221111111222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22211111112211 - 2¹¹ = 22211111110163 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22211111112011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38695315240 + ... + 38695315813.

It is an arithmetic number, because the mean of its divisors is an integer number (3250406504268).

Almost surely, 2^{22211111112211} is an apocalyptic number.

22211111112211 is a deficient number, since it is larger than the sum of its proper divisors (3792140921933).

22211111112211 is an equidigital number, since it uses as much as digits as its factorization.

22211111112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77390631101.

The product of its digits is 32, while the sum is 19.

Adding to 22211111112211 its reverse (11221111111222), we get a palindrome (33432222223433).

It can be divided in two parts, 2221111111221 and 1, that added together give a palindrome (2221111111222).

The spelling of 22211111112211 in words is "twenty-two trillion, two hundred eleven billion, one hundred eleven million, one hundred twelve thousand, two hundred eleven".