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100220210201 = 277361805813
BaseRepresentation
bin101110101010110010…
…1110000110000011001
3100120200112000011212002
41131111211300300121
53120222333211301
6114012430530345
710145356505516
oct1352545606031
9316615004762
10100220210201
1139559772301
121750b6669b5
1395b2321a37
144bca3c430d
15291873716b
hex1755970c19

100220210201 has 4 divisors (see below), whose sum is σ = 100582016292. Its totient is φ = 99858404112.

The previous prime is 100220210191. The next prime is 100220210213. The reversal of 100220210201 is 102012022001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102012022001 = 285735705993.

It can be written as a sum of positive squares in 2 ways, for example, as 20230795225 + 79989414976 = 142235^2 + 282824^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220210201 - 222 = 100216015897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220210231) 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, 180902630 + ... + 180903183.

It is an arithmetic number, because the mean of its divisors is an integer number (25145504073).

Almost surely, 2100220210201 is an apocalyptic number.

It is an amenable number.

100220210201 is a deficient number, since it is larger than the sum of its proper divisors (361806091).

100220210201 is an equidigital number, since it uses as much as digits as its factorization.

100220210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361806090.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100220210201 its reverse (102012022001), we get a palindrome (202232232202).

The spelling of 100220210201 in words is "one hundred billion, two hundred twenty million, two hundred ten thousand, two hundred one".

Divisors: 1 277 361805813 100220210201