21323120200222 has 16 divisors (see below), whose sum is σ = 32109573124800. Its totient is φ = 10619951760288.

The previous prime is 21323120200211. The next prime is 21323120200223. The reversal of 21323120200222 is 22200202132312.

It is a junction number, because it is equal to n+sod(n) for n = 21323120200193 and 21323120200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323120200223) 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, 3761097 + ... + 7536052.

It is an arithmetic number, because the mean of its divisors is an integer number (2006848320300).

Almost surely, 2^{21323120200222} is an apocalyptic number.

21323120200222 is a deficient number, since it is larger than the sum of its proper divisors (10786452924578).

21323120200222 is a wasteful number, since it uses less digits than its factorization.

21323120200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300835.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21323120200222 its reverse (22200202132312), we get a palindrome (43523322332534).

The spelling of 21323120200222 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred thousand, two hundred twenty-two".