2121313201333 has 8 divisors (see below), whose sum is σ = 2151252449280. Its totient is φ = 2091375664560.

The previous prime is 2121313201331. The next prime is 2121313201339. The reversal of 2121313201333 is 3331023131212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121313201333 - 2¹ = 2121313201331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121313201298 and 2121313201307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121313201331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180491 + ... + 2999527.

It is an arithmetic number, because the mean of its divisors is an integer number (268906556160).

Almost surely, 2^{2121313201333} is an apocalyptic number.

It is an amenable number.

2121313201333 is a deficient number, since it is larger than the sum of its proper divisors (29939247947).

2121313201333 is an equidigital number, since it uses as much as digits as its factorization.

2121313201333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855587.

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

Adding to 2121313201333 its reverse (3331023131212), we get a palindrome (5452336332545).

The spelling of 2121313201333 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, two hundred one thousand, three hundred thirty-three".