213164101 has 4 divisors (see below), whose sum is σ = 213609600. Its totient is φ = 212718604.

The previous prime is 213164099. The next prime is 213164113. The reversal of 213164101 is 101461312.

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 213164101 - 2¹ = 213164099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213164131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222031 + ... + 222988.

It is an arithmetic number, because the mean of its divisors is an integer number (53402400).

Almost surely, 2^213164101 is an apocalyptic number.

It is an amenable number.

213164101 is a deficient number, since it is larger than the sum of its proper divisors (445499).

213164101 is an equidigital number, since it uses as much as digits as its factorization.

213164101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445498.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 213164101 is about 14600.1404445300. The cubic root of 213164101 is about 597.3625913722.

The spelling of 213164101 in words is "two hundred thirteen million, one hundred sixty-four thousand, one hundred one".