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12100220121101 = 77972168886919
BaseRepresentation
bin1011000000010100110101…
…0100100111000000001101
31120211202210010220202102112
42300011031110213000031
53041222222322333401
641422433035033405
72356132510000340
oct260051524470015
946752703822375
1012100220121101
113945746896172
12143512b29b865
1369a0799acba8
142db921d7c457
1515eb4b63b3bb
hexb014d52700d

12100220121101 has 8 divisors (see below), whose sum is σ = 13846174097280. Its totient is φ = 10358603920368.

The previous prime is 12100220121091. The next prime is 12100220121127. The reversal of 12100220121101 is 10112102200121.

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-12100220121101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100220121131) 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 7 ways as a sum of consecutive naturals, for example, 1084437881 + ... + 1084449038.

It is an arithmetic number, because the mean of its divisors is an integer number (1730771762160).

Almost surely, 212100220121101 is an apocalyptic number.

It is an amenable number.

12100220121101 is a deficient number, since it is larger than the sum of its proper divisors (1745953976179).

12100220121101 is an equidigital number, since it uses as much as digits as its factorization.

12100220121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168887723.

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

Adding to 12100220121101 its reverse (10112102200121), we get a palindrome (22212322321222).

The spelling of 12100220121101 in words is "twelve trillion, one hundred billion, two hundred twenty million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 7 797 5579 2168886919 15182208433 1728602874443 12100220121101