21303434101 has 8 divisors (see below), whose sum is σ = 21647223360. Its totient is φ = 20960404608.

The previous prime is 21303434083. The next prime is 21303434107. The reversal of 21303434101 is 10143430312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21303434101 - 2¹⁵ = 21303401333 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 (21303434107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133276 + ... + 245701.

It is an arithmetic number, because the mean of its divisors is an integer number (2705902920).

Almost surely, 2^21303434101 is an apocalyptic number.

It is an amenable number.

21303434101 is a deficient number, since it is larger than the sum of its proper divisors (343789259).

21303434101 is an equidigital number, since it uses as much as digits as its factorization.

21303434101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379883.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21303434101 its reverse (10143430312), we get a palindrome (31446864413).

The spelling of 21303434101 in words is "twenty-one billion, three hundred three million, four hundred thirty-four thousand, one hundred one".