20321212110022 has 4 divisors (see below), whose sum is σ = 30481818165036. Its totient is φ = 10160606055010.

The previous prime is 20321212110013. The next prime is 20321212110047. The reversal of 20321212110022 is 22001121212302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080303027504 + ... + 5080303027507.

It is an arithmetic number, because the mean of its divisors is an integer number (7620454541259).

Almost surely, 2^{20321212110022} is an apocalyptic number.

20321212110022 is a deficient number, since it is larger than the sum of its proper divisors (10160606055014).

20321212110022 is a wasteful number, since it uses less digits than its factorization.

20321212110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160606055013.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20321212110022 its reverse (22001121212302), we get a palindrome (42322333322324).

The spelling of 20321212110022 in words is "twenty trillion, three hundred twenty-one billion, two hundred twelve million, one hundred ten thousand, twenty-two".