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12210222101 = 711909117443
BaseRepresentation
bin10110101111100100…
…10011010000010101
31011111221200112212012
423113302103100111
5200001304101401
65335335234005
7611403114110
oct132762232025
934457615765
1012210222101
1151a6396650
122449218905
1311c788a7bc
1483b901577
154b6e488bb
hex2d7c93415

12210222101 has 16 divisors (see below), whose sum is σ = 15225681408. Its totient is φ = 9512866800.

The previous prime is 12210222091. The next prime is 12210222127. The reversal of 12210222101 is 10122201221.

12210222101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12210222101 - 210 = 12210221077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210222151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691286 + ... + 708728.

It is an arithmetic number, because the mean of its divisors is an integer number (951605088).

Almost surely, 212210222101 is an apocalyptic number.

12210222101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12210222101 is a deficient number, since it is larger than the sum of its proper divisors (3015459307).

12210222101 is a wasteful number, since it uses less digits than its factorization.

12210222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26552.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210222101 its reverse (10122201221), we get a palindrome (22332423322).

The spelling of 12210222101 in words is "twelve billion, two hundred ten million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 7 11 77 9091 17443 63637 100001 122101 191873 700007 1343111 158574313 1110020191 1744317443 12210222101