102310211221 has 8 divisors (see below), whose sum is σ = 107706034400. Its totient is φ = 96915495600.

The previous prime is 102310211209. The next prime is 102310211347. The reversal of 102310211221 is 122112013201.

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 102310211221 - 2¹¹ = 102310209173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102310211195 and 102310211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102310211021) 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, 83811 + ... + 460048.

It is an arithmetic number, because the mean of its divisors is an integer number (13463254300).

Almost surely, 2^102310211221 is an apocalyptic number.

It is an amenable number.

102310211221 is a deficient number, since it is larger than the sum of its proper divisors (5395823179).

102310211221 is an equidigital number, since it uses as much as digits as its factorization.

102310211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553779.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102310211221 its reverse (122112013201), we get a palindrome (224422224422).

The spelling of 102310211221 in words is "one hundred two billion, three hundred ten million, two hundred eleven thousand, two hundred twenty-one".