2103221213 has 8 divisors (see below), whose sum is σ = 2123392320. Its totient is φ = 2083140640.

The previous prime is 2103221171. The next prime is 2103221231. The reversal of 2103221213 is 3121223012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103221213 - 2³⁰ = 1029479389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103221191 and 2103221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103221293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24518 + ... + 69336.

It is an arithmetic number, because the mean of its divisors is an integer number (265424040).

Almost surely, 2^2103221213 is an apocalyptic number.

It is an amenable number.

2103221213 is a deficient number, since it is larger than the sum of its proper divisors (20171107).

2103221213 is a wasteful number, since it uses less digits than its factorization.

2103221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45267.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2103221213 is about 45860.8897972990. The cubic root of 2103221213 is about 1281.2335952911.

Adding to 2103221213 its reverse (3121223012), we get a palindrome (5224444225).

The spelling of 2103221213 in words is "two billion, one hundred three million, two hundred twenty-one thousand, two hundred thirteen".