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221101300321 = 11191105236221
BaseRepresentation
bin1100110111101010101…
…0100001101001100001
3210010200221002210202221
43031322222201221201
512110303413102241
6245323400111041
721655045021006
oct3157252415141
9703627083687
10221101300321
118584aa13480
1236a26465481
1317b07c115b5
14a9b67638ad
155b40c315d1
hex337aaa1a61

221101300321 has 8 divisors (see below), whose sum is σ = 242464255488. Its totient is φ = 199948818000.

The previous prime is 221101300319. The next prime is 221101300333. The reversal of 221101300321 is 123003101122.

221101300321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221101300321 - 21 = 221101300319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221101300295 and 221101300304.

It is not an unprimeable number, because it can be changed into a prime (221101300421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52616010 + ... + 52620211.

It is an arithmetic number, because the mean of its divisors is an integer number (30308031936).

Almost surely, 2221101300321 is an apocalyptic number.

It is an amenable number.

221101300321 is a deficient number, since it is larger than the sum of its proper divisors (21362955167).

221101300321 is a wasteful number, since it uses less digits than its factorization.

221101300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105236423.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 221101300321 its reverse (123003101122), we get a palindrome (344104401443).

The spelling of 221101300321 in words is "two hundred twenty-one billion, one hundred one million, three hundred thousand, three hundred twenty-one".

Divisors: 1 11 191 2101 105236221 1157598431 20100118211 221101300321