102032312221 has 8 divisors (see below), whose sum is σ = 119452463424. Its totient is φ = 85323187680.

The previous prime is 102032312141. The next prime is 102032312237. The reversal of 102032312221 is 122213230201.

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 102032312221 - 2⁹ = 102032311709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102032312821) 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, 177756355 + ... + 177756928.

It is an arithmetic number, because the mean of its divisors is an integer number (14931557928).

Almost surely, 2^102032312221 is an apocalyptic number.

It is an amenable number.

102032312221 is a deficient number, since it is larger than the sum of its proper divisors (17420151203).

102032312221 is an equidigital number, since it uses as much as digits as its factorization.

102032312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355513331.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102032312221 its reverse (122213230201), we get a palindrome (224245542422).

The spelling of 102032312221 in words is "one hundred two billion, thirty-two million, three hundred twelve thousand, two hundred twenty-one".