21331300101 has 8 divisors (see below), whose sum is σ = 28449876000. Its totient is φ = 14216795472.

The previous prime is 21331300079. The next prime is 21331300127. The reversal of 21331300101 is 10100313312.

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

It is not a de Polignac number, because 21331300101 - 2⁶ = 21331300037 is a prime.

It is a super-2 number, since 2×21331300101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21331300141) 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, 1005570 + ... + 1026563.

It is an arithmetic number, because the mean of its divisors is an integer number (3556234500).

Almost surely, 2^21331300101 is an apocalyptic number.

It is an amenable number.

21331300101 is a deficient number, since it is larger than the sum of its proper divisors (7118575899).

21331300101 is a wasteful number, since it uses less digits than its factorization.

21331300101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035635.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 21331300101 its reverse (10100313312), we get a palindrome (31431613413).

The spelling of 21331300101 in words is "twenty-one billion, three hundred thirty-one million, three hundred thousand, one hundred one".