2104121223 has 6 divisors (see below), whose sum is σ = 3039286224. Its totient is φ = 1402747476.

The previous prime is 2104121221. The next prime is 2104121273. The reversal of 2104121223 is 3221214012.

It is a happy number.

It is not a de Polignac number, because 2104121223 - 2¹ = 2104121221 is a prime.

It is a super-2 number, since 2×2104121223² = 8854652242158031458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2104121196 and 2104121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116895615 + ... + 116895632.

It is an arithmetic number, because the mean of its divisors is an integer number (506547704).

Almost surely, 2^2104121223 is an apocalyptic number.

2104121223 is a deficient number, since it is larger than the sum of its proper divisors (935165001).

2104121223 is a wasteful number, since it uses less digits than its factorization.

2104121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233791253 (or 233791250 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2104121223 is about 45870.7011391803. The cubic root of 2104121223 is about 1281.4163243035.

Adding to 2104121223 its reverse (3221214012), we get a palindrome (5325335235).

The spelling of 2104121223 in words is "two billion, one hundred four million, one hundred twenty-one thousand, two hundred twenty-three".