2104112221 has 8 divisors (see below), whose sum is σ = 2147516640. Its totient is φ = 2060965968.

The previous prime is 2104112207. The next prime is 2104112237. The reversal of 2104112221 is 1222114012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104112221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104112195 and 2104112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104112201) 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, 48031 + ... + 80716.

It is an arithmetic number, because the mean of its divisors is an integer number (268439580).

Almost surely, 2^2104112221 is an apocalyptic number.

It is an amenable number.

2104112221 is a deficient number, since it is larger than the sum of its proper divisors (43404419).

2104112221 is a wasteful number, since it uses less digits than its factorization.

2104112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129083.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2104112221 is about 45870.6030154390. The cubic root of 2104112221 is about 1281.4144968856.

Adding to 2104112221 its reverse (1222114012), we get a palindrome (3326226233).

The spelling of 2104112221 in words is "two billion, one hundred four million, one hundred twelve thousand, two hundred twenty-one".