21323221231202 has 32 divisors (see below), whose sum is σ = 35313836350464. Its totient is φ = 9575353544400.

The previous prime is 21323221231201. The next prime is 21323221231219. The reversal of 21323221231202 is 20213212232312.

It is not an unprimeable number, because it can be changed into a prime (21323221231201) 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, 84730403 + ... + 84981689.

It is an arithmetic number, because the mean of its divisors is an integer number (1103557385952).

Almost surely, 2^{21323221231202} is an apocalyptic number.

21323221231202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21323221231202 is a deficient number, since it is larger than the sum of its proper divisors (13990615119262).

21323221231202 is a wasteful number, since it uses less digits than its factorization.

21323221231202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297854.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21323221231202 its reverse (20213212232312), we get a palindrome (41536433463514).

The spelling of 21323221231202 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred two".