21022321013210 has 32 divisors (see below), whose sum is σ = 41688908803584. Its totient is φ = 7568792440000.

The previous prime is 21022321013207. The next prime is 21022321013227. The reversal of 21022321013210 is 1231012322012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946087946 + ... + 946110165.

It is an arithmetic number, because the mean of its divisors is an integer number (1302778400112).

Almost surely, 2^{21022321013210} is an apocalyptic number.

21022321013210 is a deficient number, since it is larger than the sum of its proper divisors (20666587790374).

21022321013210 is a wasteful number, since it uses less digits than its factorization.

21022321013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892198230.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21022321013210 its reverse (1231012322012), we get a palindrome (22253333335222).

The spelling of 21022321013210 in words is "twenty-one trillion, twenty-two billion, three hundred twenty-one million, thirteen thousand, two hundred ten".