4335144222121 has 4 divisors (see below), whose sum is σ = 4378066442244. Its totient is φ = 4292222002000.

The previous prime is 4335144222119. The next prime is 4335144222139. The reversal of 4335144222121 is 1212224415334.

4335144222121 is digitally balanced in base 3, 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 3473284505625 + 861859716496 = 1863675^2 + 928364^2 .

It is a cyclic number.

It is not a de Polignac number, because 4335144222121 - 2¹ = 4335144222119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4335144222151) 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, 21461109910 + ... + 21461110111.

It is an arithmetic number, because the mean of its divisors is an integer number (1094516610561).

Almost surely, 2^{4335144222121} is an apocalyptic number.

It is an amenable number.

4335144222121 is a deficient number, since it is larger than the sum of its proper divisors (42922220123).

4335144222121 is a wasteful number, since it uses less digits than its factorization.

4335144222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42922220122.

The product of its digits is 46080, while the sum is 34.

Adding to 4335144222121 its reverse (1212224415334), we get a palindrome (5547368637455).

The spelling of 4335144222121 in words is "four trillion, three hundred thirty-five billion, one hundred forty-four million, two hundred twenty-two thousand, one hundred twenty-one".