21222103322 has 16 divisors (see below), whose sum is σ = 36400342272. Its totient is φ = 9090288720.

The previous prime is 21222103307. The next prime is 21222103367. The reversal of 21222103322 is 22330122212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21222103294 and 21222103303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381218 + ... + 433325.

It is an arithmetic number, because the mean of its divisors is an integer number (2275021392).

Almost surely, 2^21222103322 is an apocalyptic number.

21222103322 is a deficient number, since it is larger than the sum of its proper divisors (15178238950).

21222103322 is a wasteful number, since it uses less digits than its factorization.

21222103322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816413.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21222103322 its reverse (22330122212), we get a palindrome (43552225534).

The spelling of 21222103322 in words is "twenty-one billion, two hundred twenty-two million, one hundred three thousand, three hundred twenty-two".