2232130121321 has 4 divisors (see below), whose sum is σ = 2286572319444. Its totient is φ = 2177687923200.

The previous prime is 2232130121267. The next prime is 2232130121359. The reversal of 2232130121321 is 1231210312322.

2232130121321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 555270877225 + 1676859244096 = 745165^2 + 1294936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232130121321 - 2⁶ = 2232130121257 is a prime.

It is a super-3 number, since 3×2232130121321³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232130121021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27221099000 + ... + 27221099081.

It is an arithmetic number, because the mean of its divisors is an integer number (571643079861).

Almost surely, 2^{2232130121321} is an apocalyptic number.

It is an amenable number.

2232130121321 is a deficient number, since it is larger than the sum of its proper divisors (54442198123).

2232130121321 is an equidigital number, since it uses as much as digits as its factorization.

2232130121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54442198122.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2232130121321 its reverse (1231210312322), we get a palindrome (3463340433643).

The spelling of 2232130121321 in words is "two trillion, two hundred thirty-two billion, one hundred thirty million, one hundred twenty-one thousand, three hundred twenty-one".