4243222011321 has 12 divisors (see below), whose sum is σ = 6188604272448. Its totient is φ = 2801350453464.

The previous prime is 4243222011317. The next prime is 4243222011341. The reversal of 4243222011321 is 1231102223424.

4243222011321 is a `hidden beast` number, since 4 + 2 + 4 + 322 + 2 + 0 + 11 + 321 = 666.

It is not a de Polignac number, because 4243222011321 - 2² = 4243222011317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4243222011341) 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, 2288684085 + ... + 2288685938.

It is an arithmetic number, because the mean of its divisors is an integer number (515717022704).

Almost surely, 2^{4243222011321} is an apocalyptic number.

It is an amenable number.

4243222011321 is a deficient number, since it is larger than the sum of its proper divisors (1945382261127).

4243222011321 is a wasteful number, since it uses less digits than its factorization.

4243222011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577370132 (or 4577370129 counting only the distinct ones).

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

Adding to 4243222011321 its reverse (1231102223424), we get a palindrome (5474324234745).

The spelling of 4243222011321 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, eleven thousand, three hundred twenty-one".