21323200102 has 32 divisors (see below), whose sum is σ = 32855155200. Its totient is φ = 10375780800.

The previous prime is 21323200099. The next prime is 21323200103. The reversal of 21323200102 is 20100232312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323200103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10602277 + ... + 10604287.

It is an arithmetic number, because the mean of its divisors is an integer number (1026723600).

Almost surely, 2^21323200102 is an apocalyptic number.

21323200102 is a deficient number, since it is larger than the sum of its proper divisors (11531955098).

21323200102 is a wasteful number, since it uses less digits than its factorization.

21323200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21323200102 its reverse (20100232312), we get a palindrome (41423432414).

The spelling of 21323200102 in words is "twenty-one billion, three hundred twenty-three million, two hundred thousand, one hundred two".