21100233300101 has 8 divisors (see below), whose sum is σ = 21267791823000. Its totient is φ = 20933330584320.

The previous prime is 21100233300031. The next prime is 21100233300187. The reversal of 21100233300101 is 10100333200112.

It can be written as a sum of positive squares in 4 ways, for example, as 13060887580225 + 8039345719876 = 3613985^2 + 2835374^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21100233300101 is a prime.

It is a super-2 number, since 2×21100233300101² (a number of 27 digits) contains 22 as substring.

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 21100233300101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100233300191) 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, 163887176 + ... + 164015873.

It is an arithmetic number, because the mean of its divisors is an integer number (2658473977875).

Almost surely, 2^{21100233300101} is an apocalyptic number.

It is an amenable number.

21100233300101 is a deficient number, since it is larger than the sum of its proper divisors (167558522899).

21100233300101 is a wasteful number, since it uses less digits than its factorization.

21100233300101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327903559.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21100233300101 its reverse (10100333200112), we get a palindrome (31200566500213).

The spelling of 21100233300101 in words is "twenty-one trillion, one hundred billion, two hundred thirty-three million, three hundred thousand, one hundred one".