22131231130321 has 8 divisors (see below), whose sum is σ = 23455796759424. Its totient is φ = 20809190890560.

The previous prime is 22131231130271. The next prime is 22131231130343. The reversal of 22131231130321 is 12303113213122.

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 22131231130321 - 2¹¹ = 22131231128273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131231130121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631329285 + ... + 631364338.

It is an arithmetic number, because the mean of its divisors is an integer number (2931974594928).

Almost surely, 2^{22131231130321} is an apocalyptic number.

It is an amenable number.

22131231130321 is a deficient number, since it is larger than the sum of its proper divisors (1324565629103).

22131231130321 is a wasteful number, since it uses less digits than its factorization.

22131231130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262694671.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 22131231130321 its reverse (12303113213122), we get a palindrome (34434344343443).

The spelling of 22131231130321 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred thirty thousand, three hundred twenty-one".