2121000233333 has 32 divisors (see below), whose sum is σ = 2218625925120. Its totient is φ = 2026179126720.

The previous prime is 2121000233329. The next prime is 2121000233413. The reversal of 2121000233333 is 3333320001212.

It is a cyclic number.

It is not a de Polignac number, because 2121000233333 - 2² = 2121000233329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121000233299 and 2121000233308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121000133333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866774516 + ... + 866776962.

It is an arithmetic number, because the mean of its divisors is an integer number (69332060160).

Almost surely, 2^{2121000233333} is an apocalyptic number.

It is an amenable number.

2121000233333 is a deficient number, since it is larger than the sum of its proper divisors (97625691787).

2121000233333 is a wasteful number, since it uses less digits than its factorization.

2121000233333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057.

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

Adding to 2121000233333 its reverse (3333320001212), we get a palindrome (5454320234545).

The spelling of 2121000233333 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three thousand, three hundred thirty-three".