2113333121 has 8 divisors (see below), whose sum is σ = 2355418080. Its totient is φ = 1884333888.

The previous prime is 2113333049. The next prime is 2113333129. The reversal of 2113333121 is 1213333112.

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 2113333121 - 2²² = 2109138817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113333093 and 2113333102.

It is not an unprimeable number, because it can be changed into a prime (2113333129) 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, 3271091 + ... + 3271736.

It is an arithmetic number, because the mean of its divisors is an integer number (294427260).

Almost surely, 2^2113333121 is an apocalyptic number.

It is an amenable number.

2113333121 is a deficient number, since it is larger than the sum of its proper divisors (242084959).

2113333121 is a wasteful number, since it uses less digits than its factorization.

2113333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542863.

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

The square root of 2113333121 is about 45971.0030453981. The cubic root of 2113333121 is about 1283.2836266949.

Adding to 2113333121 its reverse (1213333112), we get a palindrome (3326666233).

Subtracting from 2113333121 its reverse (1213333112), we obtain a palindrome (900000009).

The spelling of 2113333121 in words is "two billion, one hundred thirteen million, three hundred thirty-three thousand, one hundred twenty-one".