2102330221 has 8 divisors (see below), whose sum is σ = 2246010080. Its totient is φ = 1961953488.

The previous prime is 2102330129. The next prime is 2102330273. The reversal of 2102330221 is 1220332012.

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 2102330221 - 2⁹ = 2102329709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102330195 and 2102330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102330921) 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, 824466 + ... + 827011.

It is an arithmetic number, because the mean of its divisors is an integer number (280751260).

Almost surely, 2^2102330221 is an apocalyptic number.

It is an amenable number.

2102330221 is a deficient number, since it is larger than the sum of its proper divisors (143679859).

2102330221 is a wasteful number, since it uses less digits than its factorization.

2102330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651563.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102330221 is about 45851.1746959661. The cubic root of 2102330221 is about 1281.0526458477.

Adding to 2102330221 its reverse (1220332012), we get a palindrome (3322662233).

The spelling of 2102330221 in words is "two billion, one hundred two million, three hundred thirty thousand, two hundred twenty-one".