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12201002111 = 53280382129
BaseRepresentation
bin10110101110011110…
…01000010001111111
31011111022100010102002
423113033020101333
5144441424031421
65334405452515
7611231543504
oct132717102177
934438303362
1012201002111
1151a1169521
12244611113b
1311c59acc9c
1483a5c14ab
154b6226b0b
hex2d73c847f

12201002111 has 8 divisors (see below), whose sum is σ = 12435796080. Its totient is φ = 11966378112.

The previous prime is 12201002087. The next prime is 12201002113. The reversal of 12201002111 is 11120010221.

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-12201002111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201002092 and 12201002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201002113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107495 + ... + 189623.

It is an arithmetic number, because the mean of its divisors is an integer number (1554474510).

Almost surely, 212201002111 is an apocalyptic number.

12201002111 is a deficient number, since it is larger than the sum of its proper divisors (234793969).

12201002111 is an equidigital number, since it uses as much as digits as its factorization.

12201002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84985.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12201002111 its reverse (11120010221), we get a palindrome (23321012332).

The spelling of 12201002111 in words is "twelve billion, two hundred one million, two thousand, one hundred eleven".

Divisors: 1 53 2803 82129 148559 4352837 230207587 12201002111