2121133313 has 8 divisors (see below), whose sum is σ = 2289603456. Its totient is φ = 1953421200.

The previous prime is 2121133291. The next prime is 2121133321. The reversal of 2121133313 is 3133311212.

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 2121133313 - 2¹⁴ = 2121116929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121133363) 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, 183683 + ... + 194888.

It is an arithmetic number, because the mean of its divisors is an integer number (286200432).

Almost surely, 2^2121133313 is an apocalyptic number.

It is an amenable number.

2121133313 is a deficient number, since it is larger than the sum of its proper divisors (168470143).

2121133313 is a wasteful number, since it uses less digits than its factorization.

2121133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379015.

The product of its digits is 324, while the sum is 20.

The square root of 2121133313 is about 46055.7630812909. The cubic root of 2121133313 is about 1284.8605304176.

Adding to 2121133313 its reverse (3133311212), we get a palindrome (5254444525).

The spelling of 2121133313 in words is "two billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred thirteen".