21234301101 has 36 divisors (see below), whose sum is σ = 33490798068. Its totient is φ = 12887880192.

The previous prime is 21234301087. The next prime is 21234301139. The reversal of 21234301101 is 10110343212.

21234301101 is a `hidden beast` number, since 2 + 123 + 430 + 110 + 1 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 100701225 + 21133599876 = 10035^2 + 145374^2 .

It is not a de Polignac number, because 21234301101 - 2⁶ = 21234301037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21234301171) 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 35 ways as a sum of consecutive naturals, for example, 606465 + ... + 640521.

Almost surely, 2^21234301101 is an apocalyptic number.

It is an amenable number.

21234301101 is a deficient number, since it is larger than the sum of its proper divisors (12256496967).

21234301101 is a wasteful number, since it uses less digits than its factorization.

21234301101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34222 (or 34146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21234301101 its reverse (10110343212), we get a palindrome (31344644313).

The spelling of 21234301101 in words is "twenty-one billion, two hundred thirty-four million, three hundred one thousand, one hundred one".