2213233121 has 8 divisors (see below), whose sum is σ = 2519411904. Its totient is φ = 1924550320.

The previous prime is 2213233117. The next prime is 2213233133. The reversal of 2213233121 is 1213323122.

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

It is not a de Polignac number, because 2213233121 - 2² = 2213233117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2213233093 and 2213233102.

It is not an unprimeable number, because it can be changed into a prime (2213233151) 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, 4373726 + ... + 4374231.

It is an arithmetic number, because the mean of its divisors is an integer number (314926488).

Almost surely, 2^2213233121 is an apocalyptic number.

It is an amenable number.

2213233121 is a deficient number, since it is larger than the sum of its proper divisors (306178783).

2213233121 is a wasteful number, since it uses less digits than its factorization.

2213233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747991.

The product of its digits is 432, while the sum is 20.

The square root of 2213233121 is about 47045.0116484203. The cubic root of 2213233121 is about 1303.1939454431.

Adding to 2213233121 its reverse (1213323122), we get a palindrome (3426556243).

Subtracting from 2213233121 its reverse (1213323122), we obtain a palindrome (999909999).

The spelling of 2213233121 in words is "two billion, two hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-one".