2233121121 has 24 divisors (see below), whose sum is σ = 4021552704. Its totient is φ = 1160062560.

The previous prime is 2233121119. The next prime is 2233121131. The reversal of 2233121121 is 1211213322.

It is not a de Polignac number, because 2233121121 - 2¹ = 2233121119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2233121094 and 2233121103.

It is not an unprimeable number, because it can be changed into a prime (2233121131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1610506 + ... + 1611891.

It is an arithmetic number, because the mean of its divisors is an integer number (167564696).

Almost surely, 2^2233121121 is an apocalyptic number.

2233121121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2233121121 is a deficient number, since it is larger than the sum of its proper divisors (1788431583).

2233121121 is a wasteful number, since it uses less digits than its factorization.

2233121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222421 (or 3222418 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2233121121 is about 47255.9109636033. The cubic root of 2233121121 is about 1307.0857894334.

Adding to 2233121121 its reverse (1211213322), we get a palindrome (3444334443).

The spelling of 2233121121 in words is "two billion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred twenty-one".