242133201321 has 16 divisors (see below), whose sum is σ = 353099148480. Its totient is φ = 146370144320.

The previous prime is 242133201269. The next prime is 242133201383. The reversal of 242133201321 is 123102331242.

It is a cyclic number.

It is not a de Polignac number, because 242133201321 - 2¹³ = 242133193129 is a prime.

It is a super-2 number, since 2×242133201321² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242133201291 and 242133201300.

It is not an unprimeable number, because it can be changed into a prime (242133201221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9418230 + ... + 9443903.

It is an arithmetic number, because the mean of its divisors is an integer number (22068696780).

Almost surely, 2^242133201321 is an apocalyptic number.

It is an amenable number.

242133201321 is a deficient number, since it is larger than the sum of its proper divisors (110965947159).

242133201321 is a wasteful number, since it uses less digits than its factorization.

242133201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18862536.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 242133201321 its reverse (123102331242), we get a palindrome (365235532563).

The spelling of 242133201321 in words is "two hundred forty-two billion, one hundred thirty-three million, two hundred one thousand, three hundred twenty-one".