2121123313330 has 32 divisors (see below), whose sum is σ = 4363514173440. Its totient is φ = 727232195520.

The previous prime is 2121123313327. The next prime is 2121123313363. The reversal of 2121123313330 is 333133211212.

It is a super-2 number, since 2×2121123313330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121123313295 and 2121123313304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6309700 + ... + 6637360.

It is an arithmetic number, because the mean of its divisors is an integer number (136359817920).

Almost surely, 2^{2121123313330} is an apocalyptic number.

2121123313330 is an abundant number, since it is smaller than the sum of its proper divisors (2242390860110).

2121123313330 is a wasteful number, since it uses less digits than its factorization.

2121123313330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420154.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2121123313330 its reverse (333133211212), we get a palindrome (2454256524542).

The spelling of 2121123313330 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred thirty".