22211111111222 has 8 divisors (see below), whose sum is σ = 36345454545672. Its totient is φ = 10095959596000.

The previous prime is 22211111111213. The next prime is 22211111111251.

It is a happy number.

22211111111222 is nontrivially palindromic in base 10.

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

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22211111111194 and 22211111111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504797979779 + ... + 504797979822.

It is an arithmetic number, because the mean of its divisors is an integer number (4543181818209).

Almost surely, 2^{22211111111222} is an apocalyptic number.

22211111111222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22211111111222 is a deficient number, since it is larger than the sum of its proper divisors (14134343434450).

22211111111222 is a wasteful number, since it uses less digits than its factorization.

22211111111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009595959614.

The product of its digits is 64, while the sum is 20.

It can be divided in two parts, 2221111 and 1111222, that added together give a palindrome (3332333).

The spelling of 22211111111222 in words is "twenty-two trillion, two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, two hundred twenty-two".