21103322103222 has 16 divisors (see below), whose sum is σ = 42206912993280. Its totient is φ = 7034395903272.

The previous prime is 21103322103211. The next prime is 21103322103223. The reversal of 21103322103222 is 22230122330112.

It is a junction number, because it is equal to n+sod(n) for n = 21103322103192 and 21103322103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103322103223) by changing a digit.

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, 10171522 + ... + 12069237.

It is an arithmetic number, because the mean of its divisors is an integer number (2637932062080).

Almost surely, 2^{21103322103222} is an apocalyptic number.

21103322103222 is an abundant number, since it is smaller than the sum of its proper divisors (21103590890058).

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

21103322103222 is a wasteful number, since it uses less digits than its factorization.

21103322103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22398907.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21103322103222 its reverse (22230122330112), we get a palindrome (43333444433334).

The spelling of 21103322103222 in words is "twenty-one trillion, one hundred three billion, three hundred twenty-two million, one hundred three thousand, two hundred twenty-two".