21440141101 has 16 divisors (see below), whose sum is σ = 23241967360. Its totient is φ = 19708660800.

The previous prime is 21440141077. The next prime is 21440141159. The reversal of 21440141101 is 10114104412.

It is a cyclic number.

It is not a de Polignac number, because 21440141101 - 2⁷ = 21440140973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21440141201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216451 + ... + 299551.

It is an arithmetic number, because the mean of its divisors is an integer number (1452622960).

Almost surely, 2^21440141101 is an apocalyptic number.

It is an amenable number.

21440141101 is a deficient number, since it is larger than the sum of its proper divisors (1801826259).

21440141101 is a wasteful number, since it uses less digits than its factorization.

21440141101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83524.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 21440141101 its reverse (10114104412), we get a palindrome (31554245513).

The spelling of 21440141101 in words is "twenty-one billion, four hundred forty million, one hundred forty-one thousand, one hundred one".