22142131230321 has 12 divisors (see below), whose sum is σ = 32026357314640. Its totient is φ = 14741445956760.

The previous prime is 22142131230313. The next prime is 22142131230379. The reversal of 22142131230321 is 12303213124122.

22142131230321 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 21 + 312 + 3 + 0 + 321 = 666.

It is not a de Polignac number, because 22142131230321 - 2³ = 22142131230313 is a prime.

It is a super-2 number, since 2×22142131230321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142131238321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1664564935 + ... + 1664578236.

Almost surely, 2^{22142131230321} is an apocalyptic number.

It is an amenable number.

22142131230321 is a deficient number, since it is larger than the sum of its proper divisors (9884226084319).

22142131230321 is a wasteful number, since it uses less digits than its factorization.

22142131230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329143916 (or 3329143913 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 22142131230321 its reverse (12303213124122), we get a palindrome (34445344354443).

The spelling of 22142131230321 in words is "twenty-two trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred thirty thousand, three hundred twenty-one".