2203212101 has 4 divisors (see below), whose sum is σ = 2262758412. Its totient is φ = 2143665792.

The previous prime is 2203212083. The next prime is 2203212131. The reversal of 2203212101 is 1012123022.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1837408225 + 365803876 = 42865^2 + 19126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203212101 - 2¹⁰ = 2203211077 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 (2203212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29773100 + ... + 29773173.

It is an arithmetic number, because the mean of its divisors is an integer number (565689603).

Almost surely, 2^2203212101 is an apocalyptic number.

It is an amenable number.

2203212101 is a deficient number, since it is larger than the sum of its proper divisors (59546311).

2203212101 is an equidigital number, since it uses as much as digits as its factorization.

2203212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59546310.

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

The square root of 2203212101 is about 46938.3862206617. The cubic root of 2203212101 is about 1301.2241134509.

Adding to 2203212101 its reverse (1012123022), we get a palindrome (3215335123).

The spelling of 2203212101 in words is "two billion, two hundred three million, two hundred twelve thousand, one hundred one".