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2201221101 = 31096731563
BaseRepresentation
bin1000001100110011…
…1111011111101101
312200101222121200110
42003030333133231
514002003033401
61002231450233
7105356033142
oct20314773755
95611877613
102201221101
11a2a593aa2
12515226979
1329106b3c1
1416c4b83c9
15cd3ad9d6
hex8333f7ed

2201221101 has 8 divisors (see below), whose sum is σ = 2961888160. Its totient is φ = 1454017392.

The previous prime is 2201221093. The next prime is 2201221103. The reversal of 2201221101 is 1011221022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201221101 - 23 = 2201221093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201221103) 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, 3365455 + ... + 3366108.

It is an arithmetic number, because the mean of its divisors is an integer number (370236020).

Almost surely, 22201221101 is an apocalyptic number.

It is an amenable number.

2201221101 is a deficient number, since it is larger than the sum of its proper divisors (760667059).

2201221101 is a wasteful number, since it uses less digits than its factorization.

2201221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731675.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2201221101 is about 46917.1727728771. The cubic root of 2201221101 is about 1300.8320316657.

Adding to 2201221101 its reverse (1011221022), we get a palindrome (3212442123).

The spelling of 2201221101 in words is "two billion, two hundred one million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 3 109 327 6731563 20194689 733740367 2201221101