21104334101 has 8 divisors (see below), whose sum is σ = 21797687808. Its totient is φ = 20411766000.

The previous prime is 21104334077. The next prime is 21104334131. The reversal of 21104334101 is 10143340112.

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 21104334101 - 2³⁰ = 20030592277 is a prime.

It is a super-3 number, since 3×21104334101³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104334131) 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, 141545 + ... + 249486.

It is an arithmetic number, because the mean of its divisors is an integer number (2724710976).

Almost surely, 2^21104334101 is an apocalyptic number.

It is an amenable number.

21104334101 is a deficient number, since it is larger than the sum of its proper divisors (693353707).

21104334101 is a wasteful number, since it uses less digits than its factorization.

21104334101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392803.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21104334101 its reverse (10143340112), we get a palindrome (31247674213).

The spelling of 21104334101 in words is "twenty-one billion, one hundred four million, three hundred thirty-four thousand, one hundred one".