21304000101 has 16 divisors (see below), whose sum is σ = 28457902080. Its totient is φ = 14176409520.

The previous prime is 21304000049. The next prime is 21304000139. The reversal of 21304000101 is 10100040312.

It is a happy number.

It is not a de Polignac number, because 21304000101 - 2¹⁴ = 21303983717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21304000001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5570676 + ... + 5574498.

It is an arithmetic number, because the mean of its divisors is an integer number (1778618880).

Almost surely, 2^21304000101 is an apocalyptic number.

It is an amenable number.

21304000101 is a deficient number, since it is larger than the sum of its proper divisors (7153901979).

21304000101 is a wasteful number, since it uses less digits than its factorization.

21304000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21304000101 its reverse (10100040312), we get a palindrome (31404040413).

The spelling of 21304000101 in words is "twenty-one billion, three hundred four million, one hundred one", and thus it is an aban number.