22021300210321 has 8 divisors (see below), whose sum is σ = 22024307773224. Its totient is φ = 22018292856960.

The previous prime is 22021300210297. The next prime is 22021300210361. The reversal of 22021300210321 is 12301200312022.

It can be written as a sum of positive squares in 4 ways, for example, as 196192300096 + 21825107910225 = 442936^2 + 4671735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021300210321 - 2³⁵ = 21986940471953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021300210361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355260151 + ... + 355322131.

It is an arithmetic number, because the mean of its divisors is an integer number (2753038471653).

Almost surely, 2^{22021300210321} is an apocalyptic number.

It is an amenable number.

22021300210321 is a deficient number, since it is larger than the sum of its proper divisors (3007562903).

22021300210321 is a wasteful number, since it uses less digits than its factorization.

22021300210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104771.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22021300210321 its reverse (12301200312022), we get a palindrome (34322500522343).

The spelling of 22021300210321 in words is "twenty-two trillion, twenty-one billion, three hundred million, two hundred ten thousand, three hundred twenty-one".