22132103212321 has 4 divisors (see below), whose sum is σ = 22135887130500. Its totient is φ = 22128319294144.

The previous prime is 22132103212277. The next prime is 22132103212381. The reversal of 22132103212321 is 12321230123122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2563521210000 + 19568582002321 = 1601100^2 + 4423639^2 .

It is a cyclic number.

It is not a de Polignac number, because 22132103212321 - 2¹³ = 22132103204129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22132103212381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891950316 + ... + 1891962013.

It is an arithmetic number, because the mean of its divisors is an integer number (5533971782625).

Almost surely, 2^{22132103212321} is an apocalyptic number.

It is an amenable number.

22132103212321 is a deficient number, since it is larger than the sum of its proper divisors (3783918179).

22132103212321 is an equidigital number, since it uses as much as digits as its factorization.

22132103212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783918178.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22132103212321 its reverse (12321230123122), we get a palindrome (34453333335443).

The spelling of 22132103212321 in words is "twenty-two trillion, one hundred thirty-two billion, one hundred three million, two hundred twelve thousand, three hundred twenty-one".