13444122011 has 4 divisors (see below), whose sum is σ = 14151707400. Its totient is φ = 12736536624.

The previous prime is 13444121983. The next prime is 13444122017. The reversal of 13444122011 is 11022144431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022144431 = 41 ⋅268832791.

It is a cyclic number.

It is not a de Polignac number, because 13444122011 - 2¹⁸ = 13443859867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13444122017) 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, 353792666 + ... + 353792703.

It is an arithmetic number, because the mean of its divisors is an integer number (3537926850).

Almost surely, 2^13444122011 is an apocalyptic number.

13444122011 is a deficient number, since it is larger than the sum of its proper divisors (707585389).

13444122011 is an equidigital number, since it uses as much as digits as its factorization.

13444122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707585388.

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

Adding to 13444122011 its reverse (11022144431), we get a palindrome (24466266442).

The spelling of 13444122011 in words is "thirteen billion, four hundred forty-four million, one hundred twenty-two thousand, eleven".