102320201 has 2 divisors, whose sum is σ = 102320202. Its totient is φ = 102320200.

The previous prime is 102320191. The next prime is 102320279. The reversal of 102320201 is 102023201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 48664576 = 7325^2 + 6976^2 .

It is a cyclic number.

It is not a de Polignac number, because 102320201 - 2¹⁰ = 102319177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102320291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160100 + 51160101.

It is an arithmetic number, because the mean of its divisors is an integer number (51160101).

Almost surely, 2^102320201 is an apocalyptic number.

It is an amenable number.

102320201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320201 is an equidigital number, since it uses as much as digits as its factorization.

102320201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102320201 is about 10115.3448285266. The cubic root of 102320201 is about 467.7212785677.

Adding to 102320201 its reverse (102023201), we get a palindrome (204343402).

The spelling of 102320201 in words is "one hundred two million, three hundred twenty thousand, two hundred one".