21343101101 has 8 divisors (see below), whose sum is σ = 24395554944. Its totient is φ = 18291507120.

The previous prime is 21343101097. The next prime is 21343101139. The reversal of 21343101101 is 10110134312.

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 21343101101 - 2² = 21343101097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21343101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21343101181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160865 + ... + 261846.

It is an arithmetic number, because the mean of its divisors is an integer number (3049444368).

Almost surely, 2^21343101101 is an apocalyptic number.

It is an amenable number.

21343101101 is a deficient number, since it is larger than the sum of its proper divisors (3052453843).

21343101101 is an equidigital number, since it uses as much as digits as its factorization.

21343101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429931.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21343101101 its reverse (10110134312), we get a palindrome (31453235413).

The spelling of 21343101101 in words is "twenty-one billion, three hundred forty-three million, one hundred one thousand, one hundred one".