2104421115 has 16 divisors (see below), whose sum is σ = 3393589248.
Its totient is φ = 1113519456.
The previous prime is 2104421107. The next prime is 2104421131. The reversal of 2104421115 is 5111244012.
It is not a de Polignac number, because 2104421115 - 23 = 2104421107 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2104421091 and 2104421100.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550437 + ... + 554246.
It is an arithmetic number, because the mean of its divisors is an integer number (212099328).
Almost surely, 22104421115 is an apocalyptic number.
2104421115 is a deficient number, since it is larger than the sum of its proper divisors (1289168133).
2104421115 is a wasteful number, since it uses less digits than its factorization.
2104421115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1104818.
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 2104421115 is about 45873.9699066911.
The cubic root of 2104421115 is about 1281.4771997963.
Adding to 2104421115 its reverse (5111244012), we get a palindrome (7215665127).
The spelling of 2104421115 in words is "two billion, one hundred four million, four hundred twenty-one thousand, one hundred fifteen".