4231422121 has 4 divisors (see below), whose sum is σ = 4303141200. Its totient is φ = 4159703044.

The previous prime is 4231422089. The next prime is 4231422127. The reversal of 4231422121 is 1212241324.

4231422121 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4231422121 - 2⁵ = 4231422089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4231422092 and 4231422101.

It is not an unprimeable number, because it can be changed into a prime (4231422127) 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, 35859451 + ... + 35859568.

It is an arithmetic number, because the mean of its divisors is an integer number (1075785300).

Almost surely, 2^4231422121 is an apocalyptic number.

It is an amenable number.

4231422121 is a deficient number, since it is larger than the sum of its proper divisors (71719079).

4231422121 is an equidigital number, since it uses as much as digits as its factorization.

4231422121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71719078.

The product of its digits is 768, while the sum is 22.

The square root of 4231422121 is about 65049.3821723158. The cubic root of 4231422121 is about 1617.4422526120.

Adding to 4231422121 its reverse (1212241324), we get a palindrome (5443663445).

The spelling of 4231422121 in words is "four billion, two hundred thirty-one million, four hundred twenty-two thousand, one hundred twenty-one".