21033101101 has 8 divisors (see below), whose sum is σ = 21396276000. Its totient is φ = 20670149040.

The previous prime is 21033101093. The next prime is 21033101113. The reversal of 21033101101 is 10110133012.

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 21033101101 - 2³ = 21033101093 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 (21033101191) 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, 140611 + ... + 248671.

It is an arithmetic number, because the mean of its divisors is an integer number (2674534500).

Almost surely, 2^21033101101 is an apocalyptic number.

It is an amenable number.

21033101101 is a deficient number, since it is larger than the sum of its proper divisors (363174899).

21033101101 is a wasteful number, since it uses less digits than its factorization.

21033101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111419.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21033101101 its reverse (10110133012), we get a palindrome (31143234113).

The spelling of 21033101101 in words is "twenty-one billion, thirty-three million, one hundred one thousand, one hundred one".