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12200102021101 = 85731423084337
BaseRepresentation
bin1011000110001000111010…
…1111110100011111101101
31121012022121002022222221011
42301202032233310133231
53044341302104133401
641540352142505221
72366266621100101
oct261421657643755
947168532288834
1012200102021101
113984041597a65
121450565595211
136a6606bac477
143026b9459901
151625452e8451
hexb188ebf47ed

12200102021101 has 4 divisors (see below), whose sum is σ = 12201525114012. Its totient is φ = 12198678928192.

The previous prime is 12200102021077. The next prime is 12200102021161. The reversal of 12200102021101 is 10112020100221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7812438665476 + 4387663355625 = 2795074^2 + 2094675^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200102021101 - 231 = 12197954537453 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 (12200102021161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711533596 + ... + 711550741.

It is an arithmetic number, because the mean of its divisors is an integer number (3050381278503).

Almost surely, 212200102021101 is an apocalyptic number.

It is an amenable number.

12200102021101 is a deficient number, since it is larger than the sum of its proper divisors (1423092911).

12200102021101 is an equidigital number, since it uses as much as digits as its factorization.

12200102021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423092910.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12200102021101 its reverse (10112020100221), we get a palindrome (22312122121322).

The spelling of 12200102021101 in words is "twelve trillion, two hundred billion, one hundred two million, twenty-one thousand, one hundred one".

Divisors: 1 8573 1423084337 12200102021101