21134244344101 has 16 divisors (see below), whose sum is σ = 24408374692608. Its totient is φ = 17924084640000.

The previous prime is 21134244344041. The next prime is 21134244344119. The reversal of 21134244344101 is 10144344243112.

It is not a de Polignac number, because 21134244344101 - 2¹¹ = 21134244342053 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 (21134244344201) 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 15 ways as a sum of consecutive naturals, for example, 8595700 + ... + 10777501.

It is an arithmetic number, because the mean of its divisors is an integer number (1525523418288).

Almost surely, 2^{21134244344101} is an apocalyptic number.

It is an amenable number.

21134244344101 is a deficient number, since it is larger than the sum of its proper divisors (3274130348507).

21134244344101 is a wasteful number, since it uses less digits than its factorization.

21134244344101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19374852.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 21134244344101 its reverse (10144344243112), we get a palindrome (31278588587213).

The spelling of 21134244344101 in words is "twenty-one trillion, one hundred thirty-four billion, two hundred forty-four million, three hundred forty-four thousand, one hundred one".