2121330003233 has 16 divisors (see below), whose sum is σ = 2534278358016. Its totient is φ = 1736137795920.

The previous prime is 2121330003223. The next prime is 2121330003239. The reversal of 2121330003233 is 3323000331212.

It is a cyclic number.

It is not a de Polignac number, because 2121330003233 - 2¹⁴ = 2121329986849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121330003199 and 2121330003208.

It is not an unprimeable number, because it can be changed into a prime (2121330003239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11610923 + ... + 11792208.

It is an arithmetic number, because the mean of its divisors is an integer number (158392397376).

Almost surely, 2^{2121330003233} is an apocalyptic number.

2121330003233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2121330003233 is a deficient number, since it is larger than the sum of its proper divisors (412948354783).

2121330003233 is a wasteful number, since it uses less digits than its factorization.

2121330003233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23403724.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 2121330003233 its reverse (3323000331212), we get a palindrome (5444330334445).

The spelling of 2121330003233 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, three thousand, two hundred thirty-three".