2103333221 has 4 divisors (see below), whose sum is σ = 2294545344. Its totient is φ = 1912121100.

The previous prime is 2103333179. The next prime is 2103333223. The reversal of 2103333221 is 1223333012.

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 2103333221 - 2⁶ = 2103333157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103333193 and 2103333202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103333223) 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, 95606045 + ... + 95606066.

It is an arithmetic number, because the mean of its divisors is an integer number (573636336).

Almost surely, 2^2103333221 is an apocalyptic number.

It is an amenable number.

2103333221 is a deficient number, since it is larger than the sum of its proper divisors (191212123).

2103333221 is a wasteful number, since it uses less digits than its factorization.

2103333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191212122.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2103333221 is about 45862.1109522883. The cubic root of 2103333221 is about 1281.2563391128.

Adding to 2103333221 its reverse (1223333012), we get a palindrome (3326666233).

The spelling of 2103333221 in words is "two billion, one hundred three million, three hundred thirty-three thousand, two hundred twenty-one".