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221002221103 = 10118671172009
BaseRepresentation
bin1100110111010011000…
…0100100011000101111
3210010110000200001122021
43031310300210120233
512110103032033403
6245305500331011
721652432612216
oct3156460443057
9703400601567
10221002221103
11857a9aa0824
12369b9243a67
1317ac0530c41
14a9a753207d
155b371ae8bd
hex3374c2462f

221002221103 has 8 divisors (see below), whose sum is σ = 223310097360. Its totient is φ = 218696692800.

The previous prime is 221002221079. The next prime is 221002221113. The reversal of 221002221103 is 301122200122.

It is a happy number.

221002221103 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 221002221103 - 229 = 220465350191 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 (221002221113) 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, 397438 + ... + 774571.

It is an arithmetic number, because the mean of its divisors is an integer number (27913762170).

Almost surely, 2221002221103 is an apocalyptic number.

221002221103 is a deficient number, since it is larger than the sum of its proper divisors (2307876257).

221002221103 is a wasteful number, since it uses less digits than its factorization.

221002221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173977.

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

Adding to 221002221103 its reverse (301122200122), we get a palindrome (522124421225).

The spelling of 221002221103 in words is "two hundred twenty-one billion, two million, two hundred twenty-one thousand, one hundred three".

Divisors: 1 101 1867 188567 1172009 118372909 2188140803 221002221103