401242242103 has 4 divisors (see below), whose sum is σ = 401247307528. Its totient is φ = 401237176680.

The previous prime is 401242242101. The next prime is 401242242113. The reversal of 401242242103 is 301242242104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401242242103 - 2¹ = 401242242101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401242242101) 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, 2411976 + ... + 2572957.

It is an arithmetic number, because the mean of its divisors is an integer number (100311826882).

Almost surely, 2^401242242103 is an apocalyptic number.

401242242103 is a deficient number, since it is larger than the sum of its proper divisors (5065425).

401242242103 is an equidigital number, since it uses as much as digits as its factorization.

401242242103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065424.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 401242242103 its reverse (301242242104), we get a palindrome (702484484207).

Subtracting from 401242242103 its reverse (301242242104), we obtain a palindrome (99999999999).

The spelling of 401242242103 in words is "four hundred one billion, two hundred forty-two million, two hundred forty-two thousand, one hundred three".