232121001121 has 8 divisors (see below), whose sum is σ = 235222572200. Its totient is φ = 229037103360.

The previous prime is 232121001113. The next prime is 232121001173. The reversal of 232121001121 is 121100121232.

232121001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70721956096 + 161399045025 = 265936^2 + 401745^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 232121001121 - 2³ = 232121001113 is a prime.

It is a super-2 number, since 2×232121001121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232121001095 and 232121001104.

It is not an unprimeable number, because it can be changed into a prime (232121001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4391886 + ... + 4444423.

It is an arithmetic number, because the mean of its divisors is an integer number (29402821525).

Almost surely, 2^232121001121 is an apocalyptic number.

It is an amenable number.

232121001121 is a deficient number, since it is larger than the sum of its proper divisors (3101571079).

232121001121 is a wasteful number, since it uses less digits than its factorization.

232121001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836659.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 232121001121 its reverse (121100121232), we get a palindrome (353221122353).

The spelling of 232121001121 in words is "two hundred thirty-two billion, one hundred twenty-one million, one thousand, one hundred twenty-one".