21343103222 has 16 divisors (see below), whose sum is σ = 36662706432. Its totient is φ = 9128411880.

The previous prime is 21343103167. The next prime is 21343103227. The reversal of 21343103222 is 22230134312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21343103227) 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, 1545578 + ... + 1559325.

It is an arithmetic number, because the mean of its divisors is an integer number (2291419152).

Almost surely, 2^21343103222 is an apocalyptic number.

21343103222 is a deficient number, since it is larger than the sum of its proper divisors (15319603210).

21343103222 is a wasteful number, since it uses less digits than its factorization.

21343103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105403.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21343103222 its reverse (22230134312), we get a palindrome (43573237534).

The spelling of 21343103222 in words is "twenty-one billion, three hundred forty-three million, one hundred three thousand, two hundred twenty-two".