4204122144121 has 4 divisors (see below), whose sum is σ = 4209133017600. Its totient is φ = 4199111270644.

The previous prime is 4204122144083. The next prime is 4204122144139. The reversal of 4204122144121 is 1214412214024.

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 4204122144121 - 2¹³ = 4204122135929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4204122144121.

It is not an unprimeable number, because it can be changed into a prime (4204122144721) 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, 2505435481 + ... + 2505437158.

It is an arithmetic number, because the mean of its divisors is an integer number (1052283254400).

Almost surely, 2^{4204122144121} is an apocalyptic number.

It is an amenable number.

4204122144121 is a deficient number, since it is larger than the sum of its proper divisors (5010873479).

4204122144121 is an equidigital number, since it uses as much as digits as its factorization.

4204122144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010873478.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 4204122144121 its reverse (1214412214024), we get a palindrome (5418534358145).

The spelling of 4204122144121 in words is "four trillion, two hundred four billion, one hundred twenty-two million, one hundred forty-four thousand, one hundred twenty-one".