2121110204 has 12 divisors (see below), whose sum is σ = 3712286928. Its totient is φ = 1060456800.

The previous prime is 2121110183. The next prime is 2121110219. The reversal of 2121110204 is 4020111212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47384 + ... + 80544.

It is an arithmetic number, because the mean of its divisors is an integer number (309357244).

Almost surely, 2^2121110204 is an apocalyptic number.

It is an amenable number.

2121110204 is a deficient number, since it is larger than the sum of its proper divisors (1591176724).

2121110204 is a wasteful number, since it uses less digits than its factorization.

2121110204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49156 (or 49154 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2121110204 is about 46055.5121999528. The cubic root of 2121110204 is about 1284.8558643664.

Adding to 2121110204 its reverse (4020111212), we get a palindrome (6141221416).

The spelling of 2121110204 in words is "two billion, one hundred twenty-one million, one hundred ten thousand, two hundred four".