4142122352121 has 16 divisors (see below), whose sum is σ = 5949218836736. Its totient is φ = 2548331525376.

The previous prime is 4142122352111. The next prime is 4142122352129. The reversal of 4142122352121 is 1212532212414.

It is not a de Polignac number, because 4142122352121 - 2¹⁸ = 4142122089977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142122352129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13741600 + ... + 14039793.

It is an arithmetic number, because the mean of its divisors is an integer number (371826177296).

Almost surely, 2^{4142122352121} is an apocalyptic number.

It is an amenable number.

4142122352121 is a deficient number, since it is larger than the sum of its proper divisors (1807096484615).

4142122352121 is a wasteful number, since it uses less digits than its factorization.

4142122352121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27785232.

The product of its digits is 7680, while the sum is 30.

Adding to 4142122352121 its reverse (1212532212414), we get a palindrome (5354654564535).

The spelling of 4142122352121 in words is "four trillion, one hundred forty-two billion, one hundred twenty-two million, three hundred fifty-two thousand, one hundred twenty-one".