102203321 has 4 divisors (see below), whose sum is σ = 111494544. Its totient is φ = 92912100.

The previous prime is 102203273. The next prime is 102203323. The reversal of 102203321 is 123302201.

It is a happy number.

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: 123302201 = 11 ⋅11209291.

It is a cyclic number.

It is not a de Polignac number, because 102203321 - 2¹⁰ = 102202297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102203296 and 102203305.

It is not an unprimeable number, because it can be changed into a prime (102203323) 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, 4645595 + ... + 4645616.

It is an arithmetic number, because the mean of its divisors is an integer number (27873636).

Almost surely, 2^102203321 is an apocalyptic number.

102203321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102203321 is a deficient number, since it is larger than the sum of its proper divisors (9291223).

102203321 is an equidigital number, since it uses as much as digits as its factorization.

102203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291222.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102203321 is about 10109.5658165917. The cubic root of 102203321 is about 467.5431185982.

Adding to 102203321 its reverse (123302201), we get a palindrome (225505522).

The spelling of 102203321 in words is "one hundred two million, two hundred three thousand, three hundred twenty-one".