2113133321 has 16 divisors (see below), whose sum is σ = 2388933120. Its totient is φ = 1855647360.

The previous prime is 2113133293. The next prime is 2113133327. The reversal of 2113133321 is 1233313112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113133321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2113133293 and 2113133302.

It is not an unprimeable number, because it can be changed into a prime (2113133327) 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, 20660 + ... + 68213.

It is an arithmetic number, because the mean of its divisors is an integer number (149308320).

Almost surely, 2^2113133321 is an apocalyptic number.

It is an amenable number.

2113133321 is a deficient number, since it is larger than the sum of its proper divisors (275799799).

2113133321 is a wasteful number, since it uses less digits than its factorization.

2113133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88976.

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

The square root of 2113133321 is about 45968.8298850428. The cubic root of 2113133321 is about 1283.2431837651.

Adding to 2113133321 its reverse (1233313112), we get a palindrome (3346446433).

The spelling of 2113133321 in words is "two billion, one hundred thirteen million, one hundred thirty-three thousand, three hundred twenty-one".