440121042202103 has 4 divisors (see below), whose sum is σ = 440130714599808. Its totient is φ = 440111369804400.

The previous prime is 440121042202097. The next prime is 440121042202123. The reversal of 440121042202103 is 301202240121044.

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 440121042202103 - 2³² = 440116747234807 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 (440121042202123) 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, 4836130598 + ... + 4836221603.

It is an arithmetic number, because the mean of its divisors is an integer number (110032678649952).

Almost surely, 2^{440121042202103} is an apocalyptic number.

440121042202103 is a deficient number, since it is larger than the sum of its proper divisors (9672397705).

440121042202103 is an equidigital number, since it uses as much as digits as its factorization.

440121042202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672397704.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 440121042202103 its reverse (301202240121044), we get a palindrome (741323282323147).

The spelling of 440121042202103 in words is "four hundred forty trillion, one hundred twenty-one billion, forty-two million, two hundred two thousand, one hundred three".