102214321 has 4 divisors (see below), whose sum is σ = 111506544. Its totient is φ = 92922100.

The previous prime is 102214291. The next prime is 102214349. The reversal of 102214321 is 123412201.

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 102214321 - 2²³ = 93825713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102214295 and 102214304.

It is not an unprimeable number, because it can be changed into a prime (102214361) 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, 4646095 + ... + 4646116.

It is an arithmetic number, because the mean of its divisors is an integer number (27876636).

Almost surely, 2^102214321 is an apocalyptic number.

102214321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102214321 is a deficient number, since it is larger than the sum of its proper divisors (9292223).

102214321 is an equidigital number, since it uses as much as digits as its factorization.

102214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292222.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 102214321 is about 10110.1098411442. The cubic root of 102214321 is about 467.5598916663.

Adding to 102214321 its reverse (123412201), we get a palindrome (225626522).

The spelling of 102214321 in words is "one hundred two million, two hundred fourteen thousand, three hundred twenty-one".