4043203340121 has 24 divisors (see below), whose sum is σ = 6410194873056. Its totient is φ = 2435392967040.

The previous prime is 4043203340119. The next prime is 4043203340177. The reversal of 4043203340121 is 1210433023404.

4043203340121 is a `hidden beast` number, since 4 + 0 + 4 + 320 + 334 + 0 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 4043203340121 - 2¹ = 4043203340119 is a prime.

It is a super-2 number, since 2×4043203340121² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4043203340101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125261280 + ... + 125293553.

It is an arithmetic number, because the mean of its divisors is an integer number (267091453044).

Almost surely, 2^{4043203340121} is an apocalyptic number.

It is an amenable number.

4043203340121 is a deficient number, since it is larger than the sum of its proper divisors (2366991532935).

4043203340121 is a wasteful number, since it uses less digits than its factorization.

4043203340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250555013 (or 250555010 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4043203340121 its reverse (1210433023404), we get a palindrome (5253636363525).

The spelling of 4043203340121 in words is "four trillion, forty-three billion, two hundred three million, three hundred forty thousand, one hundred twenty-one".