213100201 has 2 divisors, whose sum is σ = 213100202. Its totient is φ = 213100200.

The previous prime is 213100193. The next prime is 213100243. The reversal of 213100201 is 102001312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170328601 + 42771600 = 13051^2 + 6540^2 .

It is a cyclic number.

It is not a de Polignac number, because 213100201 - 2³ = 213100193 is a prime.

It is not a weakly prime, because it can be changed into another prime (213101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106550100 + 106550101.

It is an arithmetic number, because the mean of its divisors is an integer number (106550101).

Almost surely, 2^213100201 is an apocalyptic number.

It is an amenable number.

213100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

213100201 is an equidigital number, since it uses as much as digits as its factorization.

213100201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 213100201 is about 14597.9519453929. The cubic root of 213100201 is about 597.3028951346.

Adding to 213100201 its reverse (102001312), we get a palindrome (315101513).

The spelling of 213100201 in words is "two hundred thirteen million, one hundred thousand, two hundred one".