2232321121 has 4 divisors (see below), whose sum is σ = 2232418500. Its totient is φ = 2232223744.

The previous prime is 2232321107. The next prime is 2232321211. The reversal of 2232321121 is 1211232322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 874030096 + 1358291025 = 29564^2 + 36855^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232321121 - 2²¹ = 2230223969 is a prime.

It is a super-3 number, since 3×2232321121³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232321101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6705 + ... + 67153.

It is an arithmetic number, because the mean of its divisors is an integer number (558104625).

Almost surely, 2^2232321121 is an apocalyptic number.

It is an amenable number.

2232321121 is a deficient number, since it is larger than the sum of its proper divisors (97379).

2232321121 is an equidigital number, since it uses as much as digits as its factorization.

2232321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97378.

The product of its digits is 288, while the sum is 19.

The square root of 2232321121 is about 47247.4456558236. The cubic root of 2232321121 is about 1306.9296860147.

Adding to 2232321121 its reverse (1211232322), we get a palindrome (3443553443).

The spelling of 2232321121 in words is "two billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty-one".