21301000101 has 24 divisors (see below), whose sum is σ = 30885241920. Its totient is φ = 14146704000.

The previous prime is 21301000099. The next prime is 21301000109. The reversal of 21301000101 is 10100010312.

It is not a de Polignac number, because 21301000101 - 2¹ = 21301000099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301000109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3096696 + ... + 3103566.

It is an arithmetic number, because the mean of its divisors is an integer number (1286885080).

Almost surely, 2^21301000101 is an apocalyptic number.

It is an amenable number.

21301000101 is a deficient number, since it is larger than the sum of its proper divisors (9584241819).

21301000101 is a wasteful number, since it uses less digits than its factorization.

21301000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137 (or 8134 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 21301000101 its reverse (10100010312), we get a palindrome (31401010413).

The spelling of 21301000101 in words is "twenty-one billion, three hundred one million, one hundred one", and thus it is an aban number.