13244421101 has 4 divisors (see below), whose sum is σ = 13567455804. Its totient is φ = 12921386400.

The previous prime is 13244421089. The next prime is 13244421163. The reversal of 13244421101 is 10112444231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 355360201 + 12889060900 = 18851^2 + 113530^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244421101 - 2⁶ = 13244421037 is a prime.

It is a super-2 number, since 2×13244421101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244421401) 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, 161517290 + ... + 161517371.

It is an arithmetic number, because the mean of its divisors is an integer number (3391863951).

Almost surely, 2^13244421101 is an apocalyptic number.

It is an amenable number.

13244421101 is a deficient number, since it is larger than the sum of its proper divisors (323034703).

13244421101 is an equidigital number, since it uses as much as digits as its factorization.

13244421101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323034702.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 13244421101 its reverse (10112444231), we get a palindrome (23356865332).

The spelling of 13244421101 in words is "thirteen billion, two hundred forty-four million, four hundred twenty-one thousand, one hundred one".