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101200221212201 = 175952954188953
BaseRepresentation
bin10111000000101010000011…
…001111001000111000101001
3111021022122110102021101100122
4113000222003033020320221
5101231031023112242301
6555122423444413025
730213321552130646
oct2700520317107051
9437278412241318
10101200221212201
112a277855654271
12b4253453a7175
1344611a8504037
141adc18c880dcd
15ba76b3b0481b
hex5c0a833c8e29

101200221212201 has 4 divisors (see below), whose sum is σ = 107153175401172. Its totient is φ = 95247267023232.

The previous prime is 101200221212171. The next prime is 101200221212221. The reversal of 101200221212201 is 102212122002101.

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 95212240920976 + 5987980291225 = 9757676^2 + 2447035^2 .

It is a cyclic number.

It is not a de Polignac number, because 101200221212201 - 222 = 101200217017897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 5952954188953 = 101200221212201 / (1 + 0 + 1 + 2 + 0 + 0 + 2 + 2 + 1 + 2 + 1 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101200221212201.

It is not an unprimeable number, because it can be changed into a prime (101200221212221) 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, 2976477094460 + ... + 2976477094493.

It is an arithmetic number, because the mean of its divisors is an integer number (26788293850293).

Almost surely, 2101200221212201 is an apocalyptic number.

It is an amenable number.

101200221212201 is a deficient number, since it is larger than the sum of its proper divisors (5952954188971).

101200221212201 is an equidigital number, since it uses as much as digits as its factorization.

101200221212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952954188970.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101200221212201 its reverse (102212122002101), we get a palindrome (203412343214302).

The spelling of 101200221212201 in words is "one hundred one trillion, two hundred billion, two hundred twenty-one million, two hundred twelve thousand, two hundred one".

Divisors: 1 17 5952954188953 101200221212201