102442241321 has 4 divisors (see below), whose sum is σ = 117076847232. Its totient is φ = 87807635412.

The previous prime is 102442241303. The next prime is 102442241353. The reversal of 102442241321 is 123142244201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123142244201 = 151 ⋅815511551.

It is not a de Polignac number, because 102442241321 - 2⁶ = 102442241257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102442244321) 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 3 ways as a sum of consecutive naturals, for example, 7317302945 + ... + 7317302958.

It is an arithmetic number, because the mean of its divisors is an integer number (29269211808).

Almost surely, 2^102442241321 is an apocalyptic number.

It is an amenable number.

102442241321 is a deficient number, since it is larger than the sum of its proper divisors (14634605911).

102442241321 is an equidigital number, since it uses as much as digits as its factorization.

102442241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14634605910.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 102442241321 its reverse (123142244201), we get a palindrome (225584485522).

The spelling of 102442241321 in words is "one hundred two billion, four hundred forty-two million, two hundred forty-one thousand, three hundred twenty-one".