21233322111222 has 36 divisors (see below), whose sum is σ = 49816640345004. Its totient is φ = 6533329879440.

The previous prime is 21233322111203. The next prime is 21233322111251. The reversal of 21233322111222 is 22211122333212.

21233322111222 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 3 + 322 + 111 + 222 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3490023604 + ... + 3490029687.

It is an arithmetic number, because the mean of its divisors is an integer number (1383795565139).

Almost surely, 2^{21233322111222} is an apocalyptic number.

21233322111222 is an abundant number, since it is smaller than the sum of its proper divisors (28583318233782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21233322111222 is a wasteful number, since it uses less digits than its factorization.

21233322111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980053325 (or 6980053309 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 21233322111222 its reverse (22211122333212), we get a palindrome (43444444444434).

The spelling of 21233322111222 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".