2100212213 has 4 divisors (see below), whose sum is σ = 2291140608. Its totient is φ = 1909283820.

The previous prime is 2100212209. The next prime is 2100212227. The reversal of 2100212213 is 3122120012.

It is a happy number.

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 2100212213 - 2² = 2100212209 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 (2100212293) 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, 95464181 + ... + 95464202.

It is an arithmetic number, because the mean of its divisors is an integer number (572785152).

Almost surely, 2^2100212213 is an apocalyptic number.

It is an amenable number.

2100212213 is a deficient number, since it is larger than the sum of its proper divisors (190928395).

2100212213 is a wasteful number, since it uses less digits than its factorization.

2100212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190928394.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2100212213 is about 45828.0723247225. The cubic root of 2100212213 is about 1280.6222993356.

Adding to 2100212213 its reverse (3122120012), we get a palindrome (5222332225).

The spelling of 2100212213 in words is "two billion, one hundred million, two hundred twelve thousand, two hundred thirteen".