2121123120333 has 32 divisors (see below), whose sum is σ = 3246612111360. Its totient is φ = 1206662184000.

The previous prime is 2121123120323. The next prime is 2121123120367. The reversal of 2121123120333 is 3330213211212.

It is not a de Polignac number, because 2121123120333 - 2¹⁶ = 2121123054797 is a prime.

It is a super-2 number, since 2×2121123120333² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121123120323) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 93220708 + ... + 93243458.

It is an arithmetic number, because the mean of its divisors is an integer number (101456628480).

Almost surely, 2^{2121123120333} is an apocalyptic number.

It is an amenable number.

2121123120333 is a deficient number, since it is larger than the sum of its proper divisors (1125488991027).

2121123120333 is a wasteful number, since it uses less digits than its factorization.

2121123120333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42377.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2121123120333 its reverse (3330213211212), we get a palindrome (5451336331545).

The spelling of 2121123120333 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-three million, one hundred twenty thousand, three hundred thirty-three".