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12100011200101 = 111100001018191
BaseRepresentation
bin1011000000010100000011…
…0111101000111001100101
31120211202020120210110200201
42300011000313220321211
53041221310331400401
641422400213110501
72356124362126246
oct260050067507145
946752216713621
1012100011200101
11394564996a790
121435091328431
1369a0456211b6
142db902316ccd
1515eb3811db01
hexb0140de8e65

12100011200101 has 4 divisors (see below), whose sum is σ = 13200012218304. Its totient is φ = 11000010181900.

The previous prime is 12100011200099. The next prime is 12100011200111. The reversal of 12100011200101 is 10100211000121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12100011200101 - 21 = 12100011200099 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 (12100011200111) 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 3 ways as a sum of consecutive naturals, for example, 550000509085 + ... + 550000509106.

It is an arithmetic number, because the mean of its divisors is an integer number (3300003054576).

Almost surely, 212100011200101 is an apocalyptic number.

12100011200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12100011200101 is a deficient number, since it is larger than the sum of its proper divisors (1100001018203).

12100011200101 is a wasteful number, since it uses less digits than its factorization.

12100011200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100001018202.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12100011200101 its reverse (10100211000121), we get a palindrome (22200222200222).

The spelling of 12100011200101 in words is "twelve trillion, one hundred billion, eleven million, two hundred thousand, one hundred one".

Divisors: 1 11 1100001018191 12100011200101