102443132213321 has 8 divisors (see below), whose sum is σ = 102635869403400. Its totient is φ = 102250407490560.

The previous prime is 102443132213293. The next prime is 102443132213347. The reversal of 102443132213321 is 123312231344201.

It can be written as a sum of positive squares in 4 ways, for example, as 11664540484921 + 90778591728400 = 3415339^2 + 9527780^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102443132213321 - 2¹⁰ = 102443132212297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102443132213621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13414895 + ... + 19617483.

It is an arithmetic number, because the mean of its divisors is an integer number (12829483675425).

Almost surely, 2^{102443132213321} is an apocalyptic number.

It is an amenable number.

102443132213321 is a deficient number, since it is larger than the sum of its proper divisors (192737190079).

102443132213321 is an equidigital number, since it uses as much as digits as its factorization.

102443132213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233659.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 102443132213321 its reverse (123312231344201), we get a palindrome (225755363557522).

The spelling of 102443132213321 in words is "one hundred two trillion, four hundred forty-three billion, one hundred thirty-two million, two hundred thirteen thousand, three hundred twenty-one".