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10221101 = 115915749
BaseRepresentation
bin100110111111…
…011000101101
3201020021201022
4212333120231
510104033401
61003023525
7152610062
oct46773055
921207638
1010221101
1158512a0
12350aba5
13216b3b7
141500c69
15d6d71b
hex9bf62d

10221101 has 8 divisors (see below), whose sum is σ = 11340000. Its totient is φ = 9133840.

The previous prime is 10221091. The next prime is 10221149. The reversal of 10221101 is 10112201.

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 10221101 - 26 = 10221037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221151) 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, 7226 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (1417500).

Almost surely, 210221101 is an apocalyptic number.

10221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221101 is a deficient number, since it is larger than the sum of its proper divisors (1118899).

10221101 is a wasteful number, since it uses less digits than its factorization.

10221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 10221101 is about 3197.0456674874. The cubic root of 10221101 is about 217.0197338832.

Adding to 10221101 its reverse (10112201), we get a palindrome (20333302).

Subtracting from 10221101 its reverse (10112201), we obtain a square (108900 = 3302).

The spelling of 10221101 in words is "ten million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 11 59 649 15749 173239 929191 10221101