13444021231101 has 32 divisors (see below), whose sum is σ = 20030918941440. Its totient is φ = 8911564185600.

The previous prime is 13444021231027. The next prime is 13444021231139. The reversal of 13444021231101 is 10113212044431.

It is a happy number.

13444021231101 is a `hidden beast` number, since 1 + 3 + 4 + 440 + 212 + 3 + 1 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 13444021231101 - 2⁹ = 13444021230589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444021231171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2559376 + ... + 5782598.

It is an arithmetic number, because the mean of its divisors is an integer number (625966216920).

Almost surely, 2^{13444021231101} is an apocalyptic number.

It is an amenable number.

13444021231101 is a deficient number, since it is larger than the sum of its proper divisors (6586897710339).

13444021231101 is a wasteful number, since it uses less digits than its factorization.

13444021231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224114 (or 3224108 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13444021231101 its reverse (10113212044431), we get a palindrome (23557233275532).

The spelling of 13444021231101 in words is "thirteen trillion, four hundred forty-four billion, twenty-one million, two hundred thirty-one thousand, one hundred one".