22141340430021 has 12 divisors (see below), whose sum is σ = 31981998911148. Its totient is φ = 14760864665664.

The previous prime is 22141340429921. The next prime is 22141340430091. The reversal of 22141340430021 is 12003404314122.

22141340430021 is a `hidden beast` number, since 2 + 2 + 14 + 1 + 340 + 4 + 300 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14333568840900 + 7807771589121 = 3785970^2 + 2794239^2 .

It is not a de Polignac number, because 22141340430021 - 2¹⁹ = 22141339905733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141340430091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3090991 + ... + 7337363.

It is an arithmetic number, because the mean of its divisors is an integer number (2665166575929).

Almost surely, 2^{22141340430021} is an apocalyptic number.

It is an amenable number.

22141340430021 is a deficient number, since it is larger than the sum of its proper divisors (9840658481127).

22141340430021 is a wasteful number, since it uses less digits than its factorization.

22141340430021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825732 (or 4825729 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22141340430021 its reverse (12003404314122), we get a palindrome (34144744744143).

The spelling of 22141340430021 in words is "twenty-two trillion, one hundred forty-one billion, three hundred forty million, four hundred thirty thousand, twenty-one".