2101200223 has 4 divisors (see below), whose sum is σ = 2102421448. Its totient is φ = 2099979000.

The previous prime is 2101200197. The next prime is 2101200319. The reversal of 2101200223 is 3220021012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101200223 - 2²⁹ = 1564329311 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 (2101200523) 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, 608028 + ... + 611473.

It is an arithmetic number, because the mean of its divisors is an integer number (525605362).

Almost surely, 2^2101200223 is an apocalyptic number.

2101200223 is a deficient number, since it is larger than the sum of its proper divisors (1221225).

2101200223 is a wasteful number, since it uses less digits than its factorization.

2101200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221224.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2101200223 is about 45838.8505855023. The cubic root of 2101200223 is about 1280.8230836934.

Adding to 2101200223 its reverse (3220021012), we get a palindrome (5321221235).

The spelling of 2101200223 in words is "two billion, one hundred one million, two hundred thousand, two hundred twenty-three".