102204511321 has 4 divisors (see below), whose sum is σ = 111495830544. Its totient is φ = 92913192100.

The previous prime is 102204511273. The next prime is 102204511363. The reversal of 102204511321 is 123115402201.

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.

It is a cyclic number.

It is not a de Polignac number, because 102204511321 - 2¹¹ = 102204509273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102204511292 and 102204511301.

It is not an unprimeable number, because it can be changed into a prime (102204517321) 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, 4645659595 + ... + 4645659616.

It is an arithmetic number, because the mean of its divisors is an integer number (27873957636).

Almost surely, 2^102204511321 is an apocalyptic number.

102204511321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102204511321 is a deficient number, since it is larger than the sum of its proper divisors (9291319223).

102204511321 is an equidigital number, since it uses as much as digits as its factorization.

102204511321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291319222.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 102204511321 its reverse (123115402201), we get a palindrome (225319913522).

The spelling of 102204511321 in words is "one hundred two billion, two hundred four million, five hundred eleven thousand, three hundred twenty-one".