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201101101200221 = 1151637612740211
BaseRepresentation
bin101101101110011001111111…
…101100110111001101011101
3222101001002002111210121000112
4231232121333230313031131
5202324320023401401341
61551412323121335405
760234034521144365
oct5556317754671535
9871032074717015
10201101101200221
1159093552a29372
121a67a8a7a97565
1388299a2248201
1437934b945d9a5
15183b17b561aeb
hexb6e67fb3735d

201101101200221 has 8 divisors (see below), whose sum is σ = 201279049970688. Its totient is φ = 200923158040000.

The previous prime is 201101101200193. The next prime is 201101101200227. The reversal of 201101101200221 is 122002101101102.

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 201101101200221 - 210 = 201101101199197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101101200196 and 201101101200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101101200227) 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, 72018806 + ... + 74759016.

It is an arithmetic number, because the mean of its divisors is an integer number (25159881246336).

Almost surely, 2201101101200221 is an apocalyptic number.

It is an amenable number.

201101101200221 is a deficient number, since it is larger than the sum of its proper divisors (177948770467).

201101101200221 is a wasteful number, since it uses less digits than its factorization.

201101101200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805123.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201101101200221 its reverse (122002101101102), we get a palindrome (323103202301323).

The spelling of 201101101200221 in words is "two hundred one trillion, one hundred one billion, one hundred one million, two hundred thousand, two hundred twenty-one".

Divisors: 1 1151 63761 2740211 73388911 3153982861 174718593571 201101101200221