100100213 has 4 divisors (see below), whose sum is σ = 100454208. Its totient is φ = 99746220.

The previous prime is 100100197. The next prime is 100100239. The reversal of 100100213 is 312001001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312001001 = 13 ⋅24000077.

It is a cyclic number.

It is not a de Polignac number, because 100100213 - 2⁴ = 100100197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100100213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176573 + ... + 177138.

It is an arithmetic number, because the mean of its divisors is an integer number (25113552).

Almost surely, 2^100100213 is an apocalyptic number.

It is an amenable number.

100100213 is a deficient number, since it is larger than the sum of its proper divisors (353995).

100100213 is an equidigital number, since it uses as much as digits as its factorization.

100100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353994.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100100213 is about 10005.0093952979. The cubic root of 100100213 is about 464.3138807775.

Adding to 100100213 its reverse (312001001), we get a palindrome (412101214).

The spelling of 100100213 in words is "one hundred million, one hundred thousand, two hundred thirteen".