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110200100221 = 121390849217
BaseRepresentation
bin110011010100001110…
…0000001010101111101
3101112110000221010021101
41212220130001111331
53301142211201341
6122343014333101
710650601253011
oct1465034012575
9345400833241
10110200100221
11428100a13a2
121943595a191
13a512aba9c3
1454959d0541
152cee971831
hex19a870157d

110200100221 has 4 divisors (see below), whose sum is σ = 110290950652. Its totient is φ = 110109249792.

The previous prime is 110200100207. The next prime is 110200100239. The reversal of 110200100221 is 122001002011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18428062500 + 91772037721 = 135750^2 + 302939^2 .

It is a cyclic number.

It is not a de Polignac number, because 110200100221 - 25 = 110200100189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110200100198 and 110200100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110200100921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45423396 + ... + 45425821.

It is an arithmetic number, because the mean of its divisors is an integer number (27572737663).

Almost surely, 2110200100221 is an apocalyptic number.

It is an amenable number.

110200100221 is a deficient number, since it is larger than the sum of its proper divisors (90850431).

110200100221 is an equidigital number, since it uses as much as digits as its factorization.

110200100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90850430.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 110200100221 its reverse (122001002011), we get a palindrome (232201102232).

The spelling of 110200100221 in words is "one hundred ten billion, two hundred million, one hundred thousand, two hundred twenty-one".

Divisors: 1 1213 90849217 110200100221