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2221122103 = 10934075981
BaseRepresentation
bin1000010001100011…
…1010001000110111
312201210102200201121
42010120322020313
514022101401403
61004222204411
7106020140434
oct20430721067
95653380647
102221122103
11a3a846a02
1251ba23707
13295218745
14170db8b8b
15ceee03bd
hex8463a237

2221122103 has 8 divisors (see below), whose sum is σ = 2242532160. Its totient is φ = 2199731040.

The previous prime is 2221122073. The next prime is 2221122109. The reversal of 2221122103 is 3012211222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2221122103 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 (2221122109) 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, 368373 + ... + 374353.

It is an arithmetic number, because the mean of its divisors is an integer number (280316520).

Almost surely, 22221122103 is an apocalyptic number.

2221122103 is a deficient number, since it is larger than the sum of its proper divisors (21410057).

2221122103 is a wasteful number, since it uses less digits than its factorization.

2221122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2221122103 is about 47128.7821081767. The cubic root of 2221122103 is about 1304.7405037875.

Adding to 2221122103 its reverse (3012211222), we get a palindrome (5233333325).

The spelling of 2221122103 in words is "two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 109 3407 5981 371363 651929 20377267 2221122103