2121343004 has 12 divisors (see below), whose sum is σ = 4049836728. Its totient is φ = 964246800.

The previous prime is 2121343001. The next prime is 2121343013. The reversal of 2121343004 is 4003431212.

It is a super-2 number, since 2×2121343004² = 9000192281239488032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121343001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24106127 + ... + 24106214.

It is an arithmetic number, because the mean of its divisors is an integer number (337486394).

Almost surely, 2^2121343004 is an apocalyptic number.

It is an amenable number.

2121343004 is a deficient number, since it is larger than the sum of its proper divisors (1928493724).

2121343004 is a wasteful number, since it uses less digits than its factorization.

2121343004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48212356 (or 48212354 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2121343004 is about 46058.0395153767. The cubic root of 2121343004 is about 1284.9028686038.

Adding to 2121343004 its reverse (4003431212), we get a palindrome (6124774216).

The spelling of 2121343004 in words is "two billion, one hundred twenty-one million, three hundred forty-three thousand, four".