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12201021102101 = 1317540591021259
BaseRepresentation
bin1011000110001100010110…
…0001110101100000010101
31121012101222010202011001012
42301203011201311200111
53044400142400231401
641541023253542005
72366331451126406
oct261430541654025
947171863664035
1012201021102101
113984473372137
121450781344905
136a6722426b90
143027655419ad
1516259ad438bb
hexb18c5875815

12201021102101 has 16 divisors (see below), whose sum is σ = 13912747531200. Its totient is φ = 10599775673088.

The previous prime is 12201021102091. The next prime is 12201021102107. The reversal of 12201021102101 is 10120112010221.

It is not a de Polignac number, because 12201021102101 - 218 = 12201020839957 is a prime.

It is a super-2 number, since 2×122010211021012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201021102107) 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 15 ways as a sum of consecutive naturals, for example, 11436410 + ... + 12457668.

It is an arithmetic number, because the mean of its divisors is an integer number (869546720700).

Almost surely, 212201021102101 is an apocalyptic number.

It is an amenable number.

12201021102101 is a deficient number, since it is larger than the sum of its proper divisors (1711726429099).

12201021102101 is a wasteful number, since it uses less digits than its factorization.

12201021102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075348.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12201021102101 its reverse (10120112010221), we get a palindrome (22321133112322).

The spelling of 12201021102101 in words is "twelve trillion, two hundred one billion, twenty-one million, one hundred two thousand, one hundred one".

Divisors: 1 13 17 221 54059 702767 919003 1021259 11947039 13276367 17361403 225698239 55208240281 717707123653 938540084777 12201021102101