4042122401401 has 4 divisors (see below), whose sum is σ = 4619568458752. Its totient is φ = 3464676344052.

The previous prime is 4042122401309. The next prime is 4042122401509. The reversal of 4042122401401 is 1041042212404.

It is a happy number.

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 not a de Polignac number, because 4042122401401 - 2²⁵ = 4042088846969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042122402401) 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, 288723028665 + ... + 288723028678.

It is an arithmetic number, because the mean of its divisors is an integer number (1154892114688).

Almost surely, 2^{4042122401401} is an apocalyptic number.

It is an amenable number.

4042122401401 is a deficient number, since it is larger than the sum of its proper divisors (577446057351).

4042122401401 is an equidigital number, since it uses as much as digits as its factorization.

4042122401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577446057350.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 4042122401401 its reverse (1041042212404), we get a palindrome (5083164613805).

The spelling of 4042122401401 in words is "four trillion, forty-two billion, one hundred twenty-two million, four hundred one thousand, four hundred one".