10440121201 has 4 divisors (see below), whose sum is σ = 10486938112. Its totient is φ = 10393304292.

The previous prime is 10440121177. The next prime is 10440121217. The reversal of 10440121201 is 10212104401.

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 a cyclic number.

It is not a de Polignac number, because 10440121201 - 2⁹ = 10440120689 is a prime.

It is a super-2 number, since 2×10440121201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440121271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23408121 + ... + 23408566.

It is an arithmetic number, because the mean of its divisors is an integer number (2621734528).

Almost surely, 2^10440121201 is an apocalyptic number.

It is an amenable number.

10440121201 is a deficient number, since it is larger than the sum of its proper divisors (46816911).

10440121201 is an equidigital number, since it uses as much as digits as its factorization.

10440121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46816910.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10440121201 its reverse (10212104401), we get a palindrome (20652225602).

The spelling of 10440121201 in words is "ten billion, four hundred forty million, one hundred twenty-one thousand, two hundred one".