102203330321 has 4 divisors (see below), whose sum is σ = 104377869312. Its totient is φ = 100028791332.

The previous prime is 102203330269. The next prime is 102203330351. The reversal of 102203330321 is 123033302201.

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: 123033302201 = 4513 ⋅27261977.

It is not a de Polignac number, because 102203330321 - 2¹⁴ = 102203313937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102203330293 and 102203330302.

It is not an unprimeable number, because it can be changed into a prime (102203330351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087269425 + ... + 1087269518.

It is an arithmetic number, because the mean of its divisors is an integer number (26094467328).

Almost surely, 2^102203330321 is an apocalyptic number.

It is an amenable number.

102203330321 is a deficient number, since it is larger than the sum of its proper divisors (2174538991).

102203330321 is an equidigital number, since it uses as much as digits as its factorization.

102203330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174538990.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 102203330321 its reverse (123033302201), we get a palindrome (225236632522).

The spelling of 102203330321 in words is "one hundred two billion, two hundred three million, three hundred thirty thousand, three hundred twenty-one".